For non-PSTN trunks, specific route lists need to be created using the route groups referring to these non-PSTN trunks. For information on how to obtain these OVA files, refer to the documentation at, https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/uc_system/virtualization/collaboration-virtualization-sizing.html. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. The +E.164 alternate number is not advertised via ILS. If no site-specific media resources and no differentiation of media resource types is required, then at least a single MRGL named Standard needs to be configured. The +E.164 number is advertised as GDPR PSTN. Tip The number of classes of service is one of the key parameters driving the complexity of enterprise dial plan designs. ESN range of SJC non-DIDs. . In the design phase, choose the access code so that there is no overlap with any other enterprise dialing habit (see below). Enable Only When CDR Enabled Flag is True. Those services are configured in User Management > User Settings > UC service. Select the user ID of the owner of this phone. The remainder of the name identifies the trunk's purpose. As mentioned earlier in the section on Outbound Calls: Called and Calling Number Transformations on ISDN Gateways, calling and called party information sent and received on ISDN trunks is a triplet consisting of numbering plan, number type, and number. While the international PSTN route patterns in partition PSTNInternational are not dialing domain (country) specific, the route patterns in partitions USPSTNNational and USEmergency are country specific. You can incorporate Cisco cloud calling solutions into your business processes with confidence, knowing we have already applied the most rigorous security practices, because security is built into every product we offer. An empty mask creates the +E.164 alternate number identical to the directory number configured above. From the Server drop-down list, choose the IM and Presence Service Publisher node. Note Some of the service parameters listed are advanced service parameters. Whenever the same settings for the configuration options listed in Table 2-50 need to be applied to a group of devices, we recommend creating a device pool with these settings and then assigning all devices to this device pool. Get enterprise-grade cloud calling and team collaboration with a flexible subscription model. Dialing habits can first be classified as numeric dialing (for example, 914085550123) or alphanumeric dialing (for example, bob@ent-pa.com). The national numbering plan in Germany is variable length and thus the route pattern to match on national destinations in Germany has to match on variable length digit strings, and we also need to provision an alternate route pattern ending on # to enable users to explicitly terminate dial strings with # to avoid inter-digit timeouts when dialing national destinations. The implemented dial plan makes sure that if the dialed destination is on-net then the call is routed on-net. Table 28 summarizes all calling party transformation patterns that must be provisioned to achieve the abbreviated calling party number display shown in Table 2-35 for all US sites based on the number ranges shown in Table 2-9 . Describe the hardware requirements for CUCM. Make sure to provision multiple phone NTP references for redundancy. Rule 1 of voice-translation-rule 1 matches all numbers starting with "*" and simply removes this leading "*". ILS is activated by changing the role from Standalone Cluster to Hub Cluster. Table 2-44 LDAP Sync Agreement for Remote Users. Table 2-31 shows an example of alternate called party number formats that an ISDN provider in the US might accept. Note Do Not Wait For Interdigit Timeout On Subsequent Hops is not set. Table 2-38 shows an example of the country specific phone localization calling party transformation patterns that would need to be provisioned for Italy and Germany. This is used for desk phone control mode. 01-23-2013 09:16 AM. Subscriber nodes include, for example, the Unified CM TFTP nodes and the Unified CM call processing subscriber nodes. . The Cisco UC system integrates the following major communications technologies: IP telephony: IP telephony refers to technology that transmits voice communications over anetwork using IP standards. Make sure that the SIP route string for each cluster is unique to allow for deterministic routing based on these route strings. Example 2-3 shows Cisco IOS voice translations to be applied on the VoIP dial-peer on the Cisco Unified Border Element (CUBE) pointing to the provider. Table 2-28 Route Pattern Default Settings, Resource Priority Namespace Network Domain, Use Calling Party's External Phone Number Mask. All call processing subscribers and IM and Presence nodes need access to the Common Identity service at idbroker.webex.com to obtain OAuth access tokens. Figure 2-6 illustrates the architecture of an on-premises deployment that includes Cisco Unified Communications Manager IM and Presence. Cisco Unified Communications Manager (formerly Cisco CallManager, now known as Cisco Unified CM or CUCM) is an enterprise call and session management infrastructure that streamlines team communication and collaboration for today's hybrid workforce. All media resources by default are members of this default MRG unless they are explicitly configured to be members of any specific MRG. The call on the EMEA cluster is extended to SIP trunk ST_UCM_EMEA, dereferencing the route list RL_UCM_EMEA the matched SIP route pattern us.route points to and route group RG_UCM_EMEA (see Table 2-70 ). With the addition of wireless Unified Communications and Collaboration endpoints, voice and video traffic has moved onto the WLAN and is now converged with the existing data traffic there. CUCM is not involved in a call after the call has been set up. If a non-DID is provisioned, then the directory number is set to the ESN (for example, 81405001). Cisco Unified CM is the central call control component in any Cisco collaboration deployment. To support other countries, and thus other country-specific dialing habits, a country appropriate xxToE164 partition (where xx represents the country; for example, DEToE164, UKToE164, ITToE164) also needs to be provisioned, which then holds the dialing normalization translation patterns required to transform the country specific habitual PSTN dialing to +E.164. From this perspective, my questions would be: 1. Example 2-2 Cisco IOS Voice Translations to Force Single ISDN Plan and Type. Common device pool for central trunks (see Table 2-53 ). Table 2-3 summarizes the services to be activated on the Unified CM publisher node, the dedicated Unified CM TFTP server subscriber nodes, and the Unified CM call processing subscriber nodes. In this document we use a dial plan approach that uses only the line CSS to define class of service. The Cisco UC strategy encompasses voice, video, and data traffic within a single network infrastructure. User A logs into a phone with Extension Mobility and has a User Device Profile with the DN associated to himself/herself. In this design, the client automatically discovers services and configuration with the SRV record _cisco-uds that is retrieved when the user first enters his or her email address in the Jabber client. If a user in site SJC dials 4001, this dialed string is matched by a translation pattern 4XXX; and the called party transformation mask configured on the translation pattern, when applied to 4001, creates the resulting digit string +14085554001, which then can be routed in a +E.164 routing schema. Name should uniquely identify the devices (type and further classification) this device pool is used for. During this onboarding process a machine account is created for the specific cluster in the Cisco Collaboration Cloud, and an OAuth refresh token is issued for the cluster. Nothing configured. This is achieved through a combination of Cisco IOS translations on the SIP gateways (required to avoid loss of number type information received from the ISDN network when sending the request to Unified CM over SIP) and prefixes and possibly calling and called number transforms configured on Unified CM. 4. This setting allows you to define incoming calling and called party transformations per numbering type to be applied to incoming calls on gateways. premises Cisco Unified CM solution environment to UCM Cloud deployment. Table 2-67 shows the settings to apply when activating ILS on the remaining Unified CM clusters. The mid-market or Small to medium deployments with up to 1,000 users is no longer differentiated from the Enterprise market segment in the Preferred Architectures. Please fill out the form to connect with a VOXSpecialist, 2021 VOX Network Solutions - All Rights Reserved -. dialing habit. To also support other dialing domains (countries), the equivalent partitions for these other dialing domains (for example, DEEmergency, ITEmergency, DEPhLocalize, ITPHLocalize, for Germany and Italy respectively) would need to be created. Management of end-user accounts is then accomplished through the interface of the LDAP directory and Unified CM Administration. We recommend deploying SRST-capable Cisco IOS routers at each remote site where call processing services are considered critical and need to be maintained in the event that connectivity to the Unified CM cluster is lost. In this design only unicast MoH is used, with media being streamed from the Cisco IP Voice Media Streaming Application running on the Unified CM cluster subscriber nodes. There actually is no call flow for which a PSTN trunk would need a PSTN resource. This functionality provides the ability for users in one cluster to communicate and subscribe to the presence of users in a different cluster within the same domain. in partition PSTNInternational (see Table 2-27 ), \+!# in partition PSTNInternational (see Table 2-27 ). In this design, the Unified CM publisher is a dedicated node; it does not handle TFTP requests, endpoint registration, or call processing. Make sure that UDS-based service discovery for this user resolves to the local Unified CM cluster. The key here is that the inbound CSS provides access to local +E.164 destinations only. Combined with Cisco Webex Calling and services from Cisco certified partners, the UCM cloud provides today's business leaders with a flexible and advanced solution to their digital transformation needs. The 10 most powerful companies in enterprise networking 2022. Connect to the cloud effortlessly with Cisco Webex Cloud for virtual meetings from anywhere.. Or, conduct a video call, share your screen with a group and message your team from any location with Cisco Webex Teams .. Table 2-53 Device Pool Settings for Central Trunks and Applications. UCM Cloud - Partner Connected. The Cisco Unified CM and IM and Presence Service cluster consists of the following nodes: The number of Unified CM call processing pairs and of IM and Presence pairs to add in order to scale is discussed in the chapter on Sizing. Figure 2-5 Architecture for Integration with APNs. It enables more effective, secure communications and can transform the way in which we communicate. TheELIN is registered with the PSAP as an Emergency Response Location (ERL). To disable them, perform the following tasks: This makes sure that these resources are not part of the default MRG any longer and are never considered in the Media Resource Manager media resource selection process. The IM and Presence publisher handles IM and Presence information from presence clients just like any other IM and Presence subscriber does, and it is deployed as one of the two nodes in an IM and Presence subcluster. To keep the number of SIP profiles to a minimum, follow these rules: Table 2-54 shows the settings for a SIP profile to be used for all SIP IP phones and SIP trunks to other Unified CM clusters or SIP gateways. Table 2-11 Supported Numeric Dialing Habits. Only a single member: the actual trunk to the remote Unified CM cluster. The plan is to use the same site code for DIDs and non-DIDs, but the first digit of the extension for non-DIDs is different from the first digit of the DID extensions. Cisco Webex Calling is offered as a bundled solution package under the Cisco Collaboration Flex Plan. PSTN access is achieved through PSTN route patterns. 10-25-2021 04:54 PM. The CSS used to route calls to an alternate PSTN destination. To avoid the use of * also a number area starting with the abbreviated inter-site access code 8 can be used: for example 8000-. For phones on which the external phone number mask determines the text in the first line on the phone display, the mask can be set to something that creates a meaningful label. Because all directory numbers are provisioned as +E.164 numbers for calls originating from these +E.164 directory numbers, calling party information is in +E.164 format automatically. The IM and Presence Service is deployed as an IM and Presence cluster. Cisco Unified Communications Manager Group. This CSS defines the calling party transformations applied to calling party information sent in the direction of the affected device. Settings not mentioned here are either left as default or have to be configured according to device-specific requirements: Site-specific device pool for endpoints (see Table 2-51 ). User authentication is performed locally or against an external directory. Holds route patterns required to provide access to emergency calls using the US specific emergency dialing habits. If a non-DID is provisioned, then check this option. Hence, us.route is matched against the configured SIP route patterns on the EMEA cluster, again using the calling device's CSS XXXInternational. As discussed in the sizing section, a single subcluster can be deployed in order to support up to 15,000 users. Apart from the route pattern settings explicitly shown in Table 2-27 , all other settings are left with default values as shown in Table 2-28 . No site-specific video gateways exist. The service offers the same familiar CUCM features and user experience providing an ideal migration path to the cloud for enterprise . 4 Chapter 1: Cisco Unified Communications Manager Architecture CUCM Overview Cisco Unied Communications (UC) is an IP-based communications system integrating voice, video, data, and mobility products and applications. In contrast to the SIP trunk to a PSTN ISDN gateway, inbound calls from other Unified CM clusters in addition to +E.164 numbers also need access to ESNs and URIs. This is the recommended configuration for all Unified CM trunks. Holds dialing normalization translation patterns to transform US specific habitual PSTN dialing (for example, 91- <10 digits>) to +E.164. The most common options are +E.164 or E.164. The core architecture contains these key elements (Figure 2-1): Figure 2-1 Preferred Architecture Overview. With the above configuration, this section describes how a call would be routed if +14085554001 is dialed on an endpoint with class of service "international" registered to the EMEA cluster in the above example. It enables more effective, secure communications and can transform the way in which we communicate. Cisco Jabber clients on start-up register with Unified CM either directly when on the corporate network or through Cisco Expressway using mobile and remote access (MRA) when connecting from outside the corporate network. Table 2-8 provides the DID (direct inward dial) ranges for these sites. The implemented dial plan ensures that if the dialed destination is on-net then the call is routed on-net. No setting; fallback to Standard Local Route Group. Normal PSTN calls should make use of the primary and secondary site-specific PSTN resources defined for normal PSTN calls. To deploy the Unified CM and IM and Presence Service cluster, perform the following tasks: 1. See Table 2-32 . CUCM unites registered IP phones, mobile devices, desktop computers, and other endpoints into a . Learn more about how Cisco is using Inclusive Language. Cisco UC provides multiprotocol support for Skinny Client Control Protocol (SCCP), H.323, MGCP, and SIP. The actual list of dialing procedures starts at page 25 of that document and is also available for download at https://www.itu.int/dms_pub/itu-t/opb/sp/T-SP-E.164C-2011-PDF-E.pdf. If both audio and audio/video conferencing media resources are provisioned, then an MRG (and MRGL) is required per type of media resource to allow configuration of differential access policies to these resources. By structuring the LAN as a layered model (access, distribution, and core layers) and developing the LAN infrastructure one step of the model at a time, you can build a highly available, fault tolerant, and redundant network. Table 2-62 Route List for Intercluster Trunk to Another Unified CM Cluster. MRGL with access to audio conferencing media resources in MRG Audio. Table 2-55 shows the default settings on the system generated SIP trunk security profile Non Secure SIP Trunk Profile. Moving the emergency dialing from the line to the device CSS also avoids the problem that visiting users' emergency dialing habits (112 in case of a user from Germany) need to be transformed to the visited countries emergency dialing habit (911 in the US). Copyright 2022 IDG Communications, Inc. This also allows for abbreviated four-digit intra-site dialing to non-DIDs and DIDs. To help partners and customers decide which Preferred Architecture to choose, and to provide guidance on how best to deploy each PA, we have written the following types of documentation, as represented in Figure 1: Figure 1 Preferred Architecture Documentation. Enabled for All Devices Except Recording-Enabled Devices. If no match is found for the numeric left-hand side of the URI in the configured numeric dial plan, then Unified CM rejects the call. With Cisco collaboration infrastructure every body gets the same high-quality experience on any device. The Cisco UCM cloud solution is now available across US Webex datacenters. Default LDAP filters for other directory types can be found in the chapter on Directory Integration and Identity Management in the latest version of the Cisco Collaboration System SRND and in the Unified CM online help for the LDAP directory settings. Distinguished name of an AD account with read access rights to all user objects in the desired user search base. Table 2-10 shows an example of how this requirement can be addressed by reserving a dedicated site code (in this case 099). Cisco Emergency Responder (ER) enhances the existing emergency functionality offered by CUCM. For more details on Extension Mobility, refer to the latest version of the Feature Configuration Guide for Cisco Unified Communications Manager, available at. 4. Table 2-27 shows the configured PSTN route patterns. Therefore, it is good practice to define as few classes of service as possible for the dial plan. Add or remove other access control groups as needed, but keep in mind that without Standard CCM End Users, the users will not be able to log into the self-service portal. The Architecture section discusses topics such as redundancy concepts, high availability, Computer Telephony Integration (CTI), and IM and presence architecture, and it introduces a hypothetical customer topology used in the examples throughout this document. Describe the characteristics of the CUCM database and how it provides redundancy. These transformations would be shared among all gateways. Note Route groups can be configured only after the SIP trunks have been created, and these can be added only after the respective device pool have been configured. This part of the SRND includes the following chapters: This chapter describes the requirements of the network infrastructure needed to build a Cisco Unified Communications and Collaboration System in an enterprise environment. The leading "*" on all called party numbers sent from Unified CM to the gateway allows the use of "destination-pattern *" on the POTS dial peers on the gateway. The reason for defining trivial route groups with only a single member and trivial route lists with only a single non-LRG route group as member, is that route patterns in Unified CM should never point to a trunk directly, because whenever a route pattern is changed in Unified CM, then the device the route pattern is pointing to is reset, and pointing route patterns to a route list instead of trunks makes sure that editing the route patterns will not reset the trunk itself but rather the route list. US specific habitual PSTN dialing of international destinations. There are two types of Cisco Unified CM nodes: publisher and subscriber. Variable length to allow for dialing of arbitrary international destinations. Simplify purchasing with a Cisco Collaboration Flex Plan and take advantage of trade-in incentives and migration programs. The figure shows the phone's logical TCP/IP connections to the primary server. Cisco Unified CM SME is not covered in this document. Table 2-52 summarizes the device pool settings of the device pool used for gateways in a specific site. Standard protocol interfaces, including Telephony Application Programming Interface (TAPI), Java Telephony Application Programming Interface (JTAPI), Simple Object Access Protocol (SOAP), Q.SIG, H.323, Media Gateway Control Protocol (MGCP), and Session Initiation Protocol (SIP) are available to support third-party applications. MRGLs and MRGs are constructs that hold related groups of media resources together for allocation purposes. If direct access is not possible due to existing networking policies, then access to the destinations in Table 2-7 must be enabled through a forward proxy. When defining the partitions and CSSs provisioned to build an enterprise dial plan, one goal is to avoid replication of duplicate configuration as much as possible. If further classes of services are required, then these can be defined equivalently. Cisco UCM Cloud is part of Cisco's cloud calling portfolio and is powered by Cisco's Unified Communications Manager collaboration (CUCM) technology, and is hosted in Cisco's Webex data centers across the globe. Jabber clients running on Apple iOS need to be able to connect to APNs in the Apple cloud on port 443/TCP from within the enterprise to be able to create the connection with APNs and receive notifications from APNs. To define phone NTP references, get the IP addresses of the NTP servers you plan to use, and configure the settings according to Table 2-47 . The Cisco IP Voice Media Streaming Application provides the following software-based media resources: When the IP Voice Media Streaming Application is activated on a node in the Unified CM cluster, one of each of the above resources is automatically configured. What is UCM Cloud? Each user is associated with a service profile. But sounds like the partners are actually the cloud providers for UCCE/UC. This special CSS supports all three dialing habits but does not provide access to PSTN or remote on-net destinations (see Table 2-24 in the section on Special CSSs). Subscriber nodes subscribe to the publisher to obtain a copy of the database information. The schema allows the reuse of dialing domain (country) specific calling party localization transformation patterns for all sites in that dialing domain (country). The user at phone A hears the dial tone and begins dialing the phone number of phone B. SCCP phones send their digits to CUCM as they are pressed (digit by digit), whereas SIP phones send their dialed digits in one message (enbloc signaling) by default. Allows sharing of site-specific settings between all RTP gateways. Access to emergency routing in multi-national environments is implemented on the device level (see the section on Emergency Call Considerations in Multi-National Environments). The ILS cluster discovery service enables UDS-based service discovery for Jabber clients in multi-cluster environments. Abbreviated inter-site dialing to reach a destination at the same site or a different site. ESN ranges for conferences on this cluster (see Table 2-10 ). Table 2-40 shows two custom LDAP filters, assuming that our deployment has users in the US and Europe and that only the US users are considered as local users. Cisco solutions, available from Insight, make communications secure and accessible. Provide access to video conferencing media resources (see Table 2-49 ). To create an ILS network of multiple Unified CM clusters, perform the following tasks: The cluster IDs defined in the Unified CM cluster enterprise parameters have to be unique. From a network perspective, the platform servers should be connected to multiple upstream switches. If the number is not associated with a user then, provision a meaningful name (for example, Bldg. Table 2-60 Route Group for RTP PSTN Gateways. A digit sequence uniquely identifying the respective entity within the site. This parameter specifies the amount of digit analysis information that CCM trace files will provide. Table 2-15 shows the required dialing normalization for Germany (DE) and Italy (IT) as examples. The section on Route Lists Using Local Route Groups introduces route lists for PSTN access using local route groups only. ESN range of RCD DIDs. Table 2-67 ILS Activation on Additional Unified CM Clusters. The Jabber clients obtain a device token from APNs during registration with APNs. Table 2-14 Summary of Dialing Normalization Translation Patterns, Abbreviated inter-site dialing to site SJC, Abbreviated inter-site dialing to site RCD, Abbreviated inter-site dialing to site RTP, Abbreviated intra-site dialing in site SJC to DID in SJC, Abbreviated intra-site dialing in site SJC to non-DID in SJC, Abbreviated intra-site dialing in site RCD to DID in RCD, Abbreviated intra-site dialing in site RCD to non-DID in RCD, Abbreviated intra-site dialing in site RTP to DID in RTP, Abbreviated intra-site dialing in site RTP to non-DID in RTP, US specific habitual PSTN dialing to national destinations in the US. For best redundancy and load balancing, we recommend provisioning DNS SRV records with equal priority and weight for the Unified CM publisher and TFTP nodes. The system architecture lays the foundation upon which all components of the Unified Communications and Collaboration System are deployed. Video . Route patterns using a local route group offer a unique characteristic: they allow for dynamic selection of the egress gateway based on the device originating the call. Changing the two service parameters to enable Multi Device Messaging and Push Notifications High Availability requires you to restart the Cisco XCP Router service on all Unified CM IM and Presence nodes during a maintenance window. To allow for flexible egress gateway selection based on the calling device, we recommend using local route groups (LRGs). This chapter discusses the various types of Unified Communications and Collaboration endpoints available in the Cisco portfolio. Create a CTI service for each Unified CM running the CTI Manager service. MRGL defining the media resources available for a group of devices. Name should indicate that this is an FGT used for local users. Describe how to calculate, verify, and add license units to CUCM. As explained in the previous section, the identity of server certificates presented during connection setup is validated. Cisco DNA for Routing gives you full control over your SD-WAN architecture. Indicates that this LDAP synchronization agreement synchronizes remote users. If a non-DID is provisioned, then set to . The corporate LDAP directory retains its status as the central repository. The example of the dialing normalization required for these two countries shows how country specific dialing habits can be modeled in the design approach presented. Always set Standard Local Route Group to the local PSTN gateways' route group. A CSS effectively enforces class of service by determining which destinations can be reached from a device using this CSS. Additional configuration options can be added. The services include IM and Presence, directory, CTI, voicemail, and conferencing. However, to avoid routing loops and transit-routing, intercluster trunks do not have access to intercluster destinations (partition onNetRemote, see Table 2-12 ). If both types of identity exist, then based on the capabilities of the called endpoint, the cluster terminating the call can decide which piece of the identity information can be displayed on the final called party. Site-specific intra-site dialing. Inbound calls have +E.164 called party numbers, and only local destinations can be called from the PSTN. Following the maxim to avoid and eliminate redundancies in the dial plan as much as possible, the concept of Local Route Groups (LRGs) is used to define the egress gateway selection. Refer to Microsoft Active Directory documentation for details. To enable AAR, an AAR group has to be defined. The intercluster peer is configured as the IP address of the remote Unified CM cluster IM and Presence publisher node. Table 2-54 SIP Profile for SIP Phones and Standard Trunks, Use Fully Qualified Domain Name in SIP Requests. Prefix ST_ to avoid name collisions with other devices stored in the same table internally. If a non-DID is provisioned, no +E.164 alternate number is added because no PSTN address exists for non-DIDs, by definition. Cisco Webex Calling is part of the Cisco Webex midsize and enterprise-grade collaboration suite. A subcluster can have one or two nodes. Other security aspects covered in this chapter include access control lists, securing gateways and media resources, firewalls, data center designs, securing application servers, and network virtualization. Additional information about our encryption architecture is . Cisco uses several abbreviations for its VOIP system: Cisco Unified (CM), CallManager, and CUCM. Table 2-56 SIP Trunk Security Profile for IM and Presence Trunk. On each endpoint, at least the first line needs to be provisioned. Solved: Hello, We have clients who would like to migrate their CUCM infrastructure to cloud, in this specific case Azure. These include voicemail pilots or other services that need to be reachable from the PSTN, but no access is required to PSTN route patterns, dialing normalization translation patterns, ESNs, URIs, and intercluster destinations. CUCM performs digit analysis against the dialed digits. Media resource groups (MRGs) and media resource group lists (MRGLs) provide a method to control how resources are allocated, which could include rights to resources, location of resources, or resource type for specific applications. Unified CM supports the concept of clustering. Dedicated Instance for Webex Calling Fully redundant dedicated cloud instance option based on the UCM architecture Provides UCM customers a non-disruptive, seamless migration path to the cloud Seamlessly transition your . For example: SJCIntra. Figure 2-4 shows an example of a Unified CM and IM and Presence Service cluster deployment with up to 10,000 devices and 10,000 users. The device CSS can be used to implement general dialing habits that need to be available for everyone. 4sysops - The online community for SysAdmins and DevOps. Business can be conducted with a fluidity that progresses and evolves with you. LDAP synchronization is executed periodically. Apply Strip Digits and Prepend Digits to Pattern and Use for PSTN Failover. If the primary CTI Manager Service fails but the primary CCM Service is still running (assuming you have 1:1 redundancy with a distribution of 100%/0% on the primary/backup Unified CM subscribers), then all the devices will stay registered to the CCM Service running on the primary Unified CM subscriber, and the CTI Manager running on the backup Unified CM subscriber will become active and will monitor and control the CTI devices even though they are registered to a CCM service running on a different node (the primary Unified CM subscriber in this case). The Cisco Unified CM IM and Presence Service provides on-premises instant messaging and presence. Unified CM IM and Presence and call processing. UCM Cloud is a highly secure architecture designed with flexible security and compliance options including the ability to meet FedRAMP authorization. GDPR can advertise a +E.164 number, one Enterprise Significant Number (ESN), and up to five alpha-numeric URIs per directory number. The dialing normalization is achieved by provisioning translation patterns matching on the non+E.164 dial strings, and then the dialed string is transformed to +E.164 through the called party transformations on the translation patterns. The handling and processing of voice and video calls is a critical function provided by enterprise communications systems. Example 2-1 shows an example of DNS SRV records defining a number of Unified CM nodes as _cisco-uds service locations. Change the entries of servers showing up as only a hostname without a DNS domain, to FQDNs. Using LRGs for egress gateway selection avoids the need for site-specific route patterns. Cisco Collaboration Preferred Architectures. Figure 1-1. Prevents IP address of Unified CM server from showing up in SIP calling party information sent by Unified CM. A structured, well-designed dial plan is essential to successful deployment of any call control system. To learn more, and to see a full list of the cookies we use, check out our Privacy Policy. Cisco Unified Contact Center promotes efficient and effective customer communications across large networks by enabling organizations to draw from a broader range of resources to service customers. Signaling is also referred to as call control and call setup/call teardown. If enabled, the directory number configuration page automatically gets populated with the data of the first matching directory number. SIP trunk ST_UCM_EMEA, as with the settings shown in Table 2-59 , is an example of an intercluster trunk provisioned for GDPR routing. Note The numbering plan in Italy is variable length and this pattern needs to cover this. MRGL with access to video conferencing media resources in MRG Video. This chapter discusses H.323 and SIP trunks, codecs, and supplementary services over these trunks. . CUCM enables users to create scalable dial plans. Table 2-62 shows the trivial route list for an intercluster trunk to another Unified CM cluster. Table 2-4 Unified CM IM and Presence Node Service Activation. The following statements describe Unified CM's behavior when authentication is enabled: In environments that employ a distributed Active Directory topology with multiple domain controllers geographically distributed, authentication speed might be unacceptable. A centralized Unified CM cluster implements call processing services for all customer sites. This implies that clients need to initiate connections based on fully qualified domain names (FQDNs) so that the subject in the presented certificate really can be checked against the identity to which the client intends to connect. Cisco cloud calling solutions use artificial intelligence (AI), machine learning (ML), and data analytics to turn calling into cognitive collaboration. This book focuses on the CUCM product, which is almost identical to the Cisco Unified CMBE. To provide our partners and customers with expert design guidance and best practices for deploying collaboration solutions, we have developed and tested Preferred Architectures (PAs) for the following . It's built to make teams work seamlessly. So PSTN resources of one site are selected via the Standard Local Route Group configuration. This layer also provides high availability, management, quality of service (QoS), and network security. For emergency calls, the first call-specific resources for emergency calls should be used, then the second, then the PSTN resources defined for normal PSTN calls, and lastly the non-specific PSTN resources. The Unified CM publisher during the onboarding process needs access to the onboarding service hosted at fos-a.wbx2.com. And, you can manage your network in the cloud or on premises. Strip digits and prefix to transform from ESN to PSTN failover number. In these partitions the only (potential) match is on a +E.164 directory number \+14085554001 (marked urgent) in partition DN. Should refer to the hostname of the IP address being entered, Unicast limits devices to using only NTP response from listed servers. 2022 Cisco and/or its affiliates. Cisco Unified Communications Solution Components . Cisco Jabber can be deployed in either of two modes: This is the default mode. To achieve full GDPR reachability, we need to make sure that each SIP route string advertised via GDPR can be routed according to the provisioned SIP route patterns. PSTN E.164 numbers for these services have to be reserved from the DID ranges assigned by the PSTN providers. When the Domain Controller for the authentication agreement does not contain a user account, a search must occur for that user across other domain controllers. As part of the UDS service discovery process, after locating the home cluster using the /cucm uds/clusterUser resource, Jabber clients will use the /cucm-uds/servers resource to get a list of all UDS nodes in the user's home cluster, so that the actual UDS requests during the registration process are load balanced between all UDS nodes of the cluster even if the SRV records defined only the publishers as service locations. If video conferencing capabilities were the exception, we could decide to use only one device pool per site with MRGL set to Audio and then on the few video-enabled devices set the MRGL to Video in the device configuration. Example 2-3 Cisco IOS Voice Translations to Force +E.164 Calling and Called Party Number on CUBE. First option for PSTN calls is to use local RTP gateways. Carrier-grade reliability, availability, and security. In this design, in addition to alpha URI dialing, the numeric dialing habits shown in Table 2-11 are supported. The documentation set for this product strives to use bias-free language. Video Cisco Smart Net . Cisco Jabber is available on a wide variety of platforms including Windows, Mac, and mobile devices such as smartphones and tablets. Cisco CallManager Administration groups SIP trunk security-related settings for example, device security mode, digest authentication, and incoming/outgoing transport type settings so you can apply all configured settings to a SIP trunk when you choose the profile in the SIP Trunk Configuration window. Additional data, voice, and video services, such as converged messaging, multimedia conferencing, collaborative contact centers, and interactive multimedia response systems, interact with the IP telephony solution through the CUCM application programming interface (API). If E.164 needs to be sent (without the +), then the above approach using called party transformation patterns can be reused. If the device is a phones without user association (for example a lobby phone), then select "Anonymous (Public/Shared Space)" and do not set the "Owner User ID". For example, the user might be available via phone, video, web collaboration, or videoconferencing. The leading 9 here is the PSTN access code typically used in the US. Table 2-18 Classes of Service National and Internal for SJC User, DN Directory URI URI ESN onNetRemote SJCIntra UStoE164 USPSTNNational USEmergency, DN Directory URI URI ESN onNetRemote SJCIntra UStoE164 USEmergency. There are SDL (Signal Distribution Layer) processes . Table 2-44 summarizes the settings for this LDAP synchronization agreement. When user A goes off-hook, this presence information will be reported on the Jabber client of user B. Cisco endpoints range from IP phones to web, mobile, and desktop clientsall fully integrated. Table 2-16 lists the classes of service considered in this design. Figure 2-6 Cisco Unified Communications with IM and Presence Architecture. The important point is that CSS XXXInternational contains at least the following partitions (see Table 2-17 ; again XXX represents a site code while XX represents some dialing domain identifier): The dialed digits (+14085554001) in these partitions have three matches: +14085554XXX in partition onNetRemote learned from the US cluster with SIP route string us.route (see Table 2-68 ), \+! Cisco IOS Survivable Remote Site Telephony (SRST) provides highly available call processing services for endpoints in locations remote from the Unified CM cluster when the WAN links are down. The Unified CM and IM and Presence Service servers are centrally located in RCD. To make sure that all line appearances of a user's directory numbers are considered for presence, in the End User Configuration of the respective user in the section on Device Information in Unified CM Administration, select Line Appearance Association for Presence and associate all line appearances. Hence, rule 2 is relevant only for calls received from international destinations for which we expect to receive calling party information as type international with the number set to the full E.164 number of the calling party. To apply the called party transformations defined by the called party transformation patterns shown in Table 2-32 to a gateway, a CSS USGWLocalizeCd with only partition USGWLocalizeCd in it needs to be defined, and this CSS is then set as Called Party Transformation CSS in the Device Mobility Related Information section on the gateway's device pool. The IM and Presence publisher handles IM and presence requests, just like the IM and Presence subscribers do, so the first subcluster consists of the IM and Presence publisher and one IM and Presence subscriber. 1. With this translation logic in place on the gateway, the piece that still needs to be provisioned on Unified CM is the transformation of the +E.164 called party information to the digit string to be sent to the PSTN according to Table 2-31 . These examples clearly show that the chosen partition scheme allows for optimal reuse of patterns and partitions when creating CSSs to implement classes of service for multiple sites. Management and administration are centralized. Also, we need to provision the transformation required to force the calling party number from +E.164 to whatever needs to be sent to the service provider. The benefits of this approach include the following: Unique addresses are also required for endpoints without an associated DID (for example, lobby phones) and enterprise services (for example, call pickup, call park, and so forth). UCM cloud is partner delivered, this is a conversation you need to have with the partner from which you'll get the service. Overview Cisco Webex Cisco Webex is an app-centric cloud-based service that provides a complete collaboration suite for teams to create, meet, message, call, whiteboard, and share, regardless of whether they're together or apart; in one continuous workstream before, during, and after meetings. This ESN schema follows the structure of typical abbreviated inter-site dialing: A single-digit access code for abbreviated inter-site dialing. Table 2-37 Phone Localization Calling Party Transformation CSSs for US Sites. Cisco provides access to a full-stack cloud collaboration bundle with all the tools your business depends on: calling, meetings, teams and devices. Forming an ILS network starts with activating ILS on the first Unified CM cluster. No transformations on intercluster trunks and trunks to application servers. In that case we need to be able to differentiate between users who actually use UC services of the local cluster and users who are synchronized only to reflect the complete corporate LDAP directory on Unified CM. Tip On dialing normalization translation patterns, set the option Use Originator's Calling Search Space so that the CSS used for the secondary lookup is identical to the CSS used for the primary lookup. Variable length because the German numbering plan with country code 49 is variable length. If calling and called parties are received in E.164 format, then the easiest way to transform to +E.164 is to simply configure a prefix "+" on the SIP trunk in Unified CM or on the trunk's device pool. Remote here means that these users do not use any UC services on the local Unified CM cluster. The Cisco Unified Presence server collects information about the availability and communications capabilities of a user and provides this information to watchers of the user as a status indication. Cisco's leadership in Cloud security means that one can be assured that customer's receive best-in-class security whether its at the . Cisco Collaboration System Release (CSR) 12.x, Cisco Collaboration System Release (CSR) 12.0, Cisco Collaboration System Release (CSR) 11.6, Cisco Collaboration System Release (CSR) 11.0, Cisco Collaboration System Release (CSR) 10.x, Unified Communications Using Cisco Business Edition 6000, CVD, Video Conferencing and Recording Using Cisco Business Edition 6000, CVD, Collaboration Edge Using Cisco Business Edition 6000, CVD, Help Desk Using Cisco Unified CCX, CVD, Help Desk Scripts and Prompts - February 2014, Cisco Collaboration System Release (CSR) 11.5. Also, the digit string is set to a format suitable for the ISDN gateway (see Table 2-33 ). After configuring the SIP trunks and route groups, you can come back and set the LRG mapping. Make sure to set the interval small enough to pick up corporate directory changes in a reasonable time, but keep in mind that executing the LDAP synchronization creates significant load on the Unified CM publisher. In this case, if a user roams between countries with different emergency dialing habits, then the device this user is using inherits the emergency dialing habits specific to the visiting user. Create a Voicemail service for each Unity Connection node. For more information about SME, refer to the Cisco Collaboration SRND. Table 2-37 shows the calling party transformation CSSs to enable calling party localization for phones in all US sites. It provides enterprise-class call control, session management, voice, video, messaging, mobility, and conferencing services in a way that is efficient, highly secure, scalable, and reliable. Table 2-36 Phone Localization Calling Party Transformation Patterns, Any US destination: +12125551234 > 912125551234, Any international destination: +4961007739764 > 90114961007739764, Call from local DN range: +14085554001 > 4001, Call from local non-DID range: 81405001 > 5001, Call from local DN range: +19725555001 > 5001, Call from local non-DID range: 81976001 > 6001, Call from local DN range: +19195551001 > 1001, Call from local non-DID range: 81912001 > 2001. Cisco Unified MeetingPlace and MeetingPlace Express are medium- to large-scale conferencing servers that support video integration. Critical user data maintained in the LDAP store is copied into the appropriate corresponding fields in the Unified CM database on a scheduled basis. Holds all +E.164 directory numbers and other local on-net +E.164 destinations (for example, pilot numbers reachable from the PSTN). Cisco CTI consists of the following components (Figure 2-3), which interact to enable applications to take advantage of the telephony feature set available in Cisco Unified CM: CCM The Cisco CallManager Service, the telephony processing engine. Unified CM is at the core of a Cisco Collaboration solution, and it serves as a foundation to deliver voice, video, IM and presence, messaging, mobility, web conferencing, and security. Solution brief Collaboration Services for Cisco UCM Cloud. To avoid loops, a PSTN trunk can address only +E.164 directory numbers. CTI Manager (CTIM) A service that runs on one or more Unified CM subscribers operating in primary/secondary mode and that authenticates and authorizes telephony applications to control and/or monitor Cisco IP devices. If the number type for calling or called party information is always unknown, for example, then the digit transformation to globalized +E.164 can happen on Unified CM either by using the inbound prefixes for calling and called party information or by using calling and called party transformation CSSs. Ping Interval for In-service and Partially In-service Trunks (seconds). The following documents describe the current Preferred Architecture. After applying the called party transformations defined on a translation pattern, Unified CM then executes a secondary lookup of the resulting digit string using the calling search space (CSS) defined on the translation pattern. Dialing habits describe what end users must dial to reach various types of destinations. The classes of service chosen for this design are only examples. The default behavior of Unified CM is to adhere to this standard, but to avoid potential issues with URIs using mixed capitalization, it is typically better to change the default. Cisco Jabber clients in the background are activated as soon as an Apple Push Notification is received by Apple iOS. If more than three Unified CM clusters are required, then adding Unified CM Session Management Edition (SME) is recommended to simplify the topology to a hub-and-spoke topology with SME as the hub and all other Unified CM clusters as spokes or leaf clusters. Cisco Extension Mobility allows users to temporarily access their Cisco Unified IP Phone configuration such as line appearances, services, and speed dials from other Cisco Unified IP Phones. 5. The recommended design makes use of only the CSS provisioned on the line and does not use the device CSS to define class of service. Since 1998, geographic numbers in Italy start with 0, and digits 1 to 9 as the first digit of a national significant number indicate different types of numbers. The access code (8 in the example) has to be selected so that it does not overlap with any other dialing habit; for example any abbreviated intra-site dialing: access code 8 for inter-site dialing prohibits four digit intra-site dialing starting with 8. Configure SRST at each remote site in order to provide call processing survivability in case the WAN to the remote site fails. As shown previously, this is easily achieved by adding the partition with the emergency calling route patterns to all CSSs. Irrelevant as long as only one route group member exists. Factors contributing to the number of required MRGLs include: If site-specific media resources exist, then site-specific MRGs for those resources need to be configured, and typically also site-specific MRGLs are required to allow for site-specific selection of (typically local) media resources. Refers to the custom LDAP filter described in the section on LDAP Custom Filter. Using shared secret (password) authorization greatly simplifies the deployment of ILS with CA-signed certificates. The last member, Standard Local Route Group, allows for fallback to PSTN resources not specific to a call type. Furthermore, proper WAN infrastructure design requires deploying end-to-end QoS on all WAN links. Extend the value of your Cisco on-premises investments by continuing to use Cisco endpoints and infrastructure. Cisco UCM Cloud (the "Service") is a cloud-based business telephone service made available by Cisco and its resale and service provider partners ("Partners") to companies ("Customer," "you" or "your") who purchase it for their authorized users (each, a "user"). All other settings can be left as default values. AAR applies only to calls to endpoints. In this scenario, a load balancer is required to send the requests to both Unified CM nodes. For dialing domains other than the US, other country specific dialing normalization translation patterns must be defined if the installation has to support those country specific dialing habits. In Example 2-1, three Unified CM nodes (publisher and two TFTP subscriber nodes) are defined as service locations for UDS service discovery to make sure that the load of the initial UDS requests from Jabber clients making use of UDS service discovery are evenly distributed among all active Unified CM nodes. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Some service parameters of the Cisco CallManager service are global in nature and need to be set only once in Unified CM Administration. Also, PINs of all end users are always checked against the local database only. For instance, configuration to reach the Cisco Unity Connection server in the main site is covered in the chapter on Voice Messaging. As mentioned earlier, SIP does not have the concept of "typed" numbers. MRG Software added to provide access to MoH and annunciator. Partition for Enterprise Alternate Numbers. An example of this is phones in the same site. For the purpose of this document, we assume a centralized call processing deployment serving three sites in the US: SJC, RCD, and RTP. This wakes up Cisco Jabber, which transitions into foreground mode and resumes normal calling and IM interaction with Unified CM and with Unified CM IM and Presence Service. Full +E.164 directory number matching the phone number of the user this DN is provisioned for. 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