/mcpRestriction Feature Manager Assistant supports SIP on Cisco Unified IP Phones 7900 Series, except for Cisco Unified IP Phones 7940 and 7960. Manager Assistant supports up to 3500 managers and 3500 assistants by configuring multiple Cisco IP Manager Assistant servers (pools). When you enable multiple pools, the manager and all configured assistants for that manager should belong to the same pool. Cisco Unified IP Phones 7960 and 7940 support only the Unified Communications Manager Assistant Intercom lines feature. Cisco Unified IP Phones 7900 (except 7940 and 7960) support only the Unified Communications Manager Intercom feature. One manager can have up to ten assigned assistants and one assistant can support up to 33 managers (if each manager has one Unified Communications Manager–controlled line). Only one assistant at a time can assist a manager. Manager Assistant supports up to 3500 managers and 3500 assistants per Unified Communications Manager cluster. Cisco IP Phones After an upgrade, Manager Assistant users that use the incoming intercom line do not get upgraded automatically to the Unified Communications Manager Intercom feature. The system does not support calls between the Unified Communications Manager Intercom feature and regular lines (which may be configured as Manager Assistant Intercom lines). Intercom Manager Assistant is not supported in the Single Sign-On environment. Single Sign-On Cisco Unified IP Phones 7940, 7942, and 7945 support only two lines or speed-dial buttons. Speed Dial Cisco Unified Communications Manager Assistant Troubleshooting This section describes the troubleshooting tools for Manager Assistant and the client desktop, and troubleshooting information for Manager Assistant. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 191 Call Center Features Cisco Unified Communications Manager Assistant Troubleshooting