/mcpExtend and Connect Restrictions Table 10: Extend and Connect Restrictions Description Restriction You can configure up to ten remote destinations for each CTI remote device. Note By default, four remote destinations are supported per device. You can set the maximum number to 10 remote destinations per device. Maximum number of remote destinations • Remote destination numbers must represent off-cluster devices. • Remote destinations can be off-cluster URIs. Off-cluster devices You cannot configure directory numbers as remote destination numbers. Directory numbers Before you save the remote destinations that are configured using Cisco Jabber, verify if the remote destinations can be routed by the configured dial plan. Cisco Jabber Application Dial Rules are applied to all remote destinations that are configured on the CTI remote device through the Cisco Unified Communications Manager Administration interface and Cisco Jabber. Note Advise end users which number formats the Application Dial Rules are configured to support (for example, nn-nnn-nnnn, E.164, both). Application dial rules Each remote destination number must be unique within the cluster. Note Two or more users cannot use the same remote destination numbers. Remote destination number • Remote destination numbers are validated using the CTI remote device reroute calling search space. • Remote destinations that are configured using the Cisco Unified Communications Manager Administration interface and AXL interface are not validated. Remote destination validation When a consult transfer is initiated from a CTI Remote Device to an internal IP phone or another extend and connect enabled device, no ringback is heard on the remote destination associated to the CTI Remote device which is initiating the transfer. Consult transfer limitation Extend and Connect does not support Call Forward Unregistered Internal or Call Forward Unregistered External. Call Forward Unregistered Extend and Connect does not support Translation Patterns when the "Route Next Hop By Calling Party Number" option is enabled. Route Next Hop By Calling Party Number Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 63 Remote Worker Features Extend and Connect Restrictions