/mcp• The Calling Search Space (CSS) and partition of DN are mandatory on devices. • The CTI Remote Device should not block its own DN. The CSS is important for the CTIRD device to reach its own DN. Note Follow these steps to add a directory number to a CTI remote device. Procedure Step 1 Locate the Association Information section in the Phone Configuration window. Step 2 Click Add a new DN. Step 3 Specify a directory number in the Directory Number field. Step 4 Configure all other required fields. For more information on the fields and their configuration options, see Online Help. Step 5 Click Save. Add Remote Destination Use the following procedure to add a remote destination is a numerical address or directory URI that represents the other phones that the user owns (for example, a home office line or other PBX phone). A remote destination may be any off-cluster device. Unified Communications Manager automatically applies application dial rules to all remote destination numbers for CTI remote devices. By default, four remote destinations are supported per device. You can set the maximum number to 10 remote destinations per device in End User Configuration window. You can determine which remote destination the Jabber client has set as Active by opening the Phone Configuration window from the Cisco Unified Communications Manager Administration interface. Note Unified Communications Manager users can add remote destinations through the Cisco Jabber interface. For more information, see the Cisco Jabber for Windows Installation and Configuration Guide. • Unified Communications Manager automatically verifies whether it can route calls to remote destinations that Cisco Jabber users add through the client interface. • Unified Communications Manager does not verify whether it can route calls to remote destinations that you add through the Cisco Unified Communications Manager Administration interface. Note Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 59 Remote Worker Features Add Remote Destination