/mcpc) Pool 2: Cisco IPMA Server (Backup) IP Address—No default. The administrator must manually enter this IP address. d) Pool 3: Cisco IPMA Server (Primary) IP Address—No default. The administrator must manually enter this IP address and can assign up to 2500 managers and assistants to this address. e) Pool 3: Cisco IPMA Server (Backup) IP Address—No default. The administrator must manually enter this IP address. click ? for detailed descriptions. Step 6 Click Save. What to do next Refer to the Manager Assistant Task Flow for Shared Lines, on page 170 to determine the next task to complete. Configure Secure TLS Connection to CTI for Manager Assistant Manager Assistant uses WDSecureSysUser application user credentials to establish a secure TLS connection to CTI to make calls. To configure the WDSecureSysUser application user to establish a secure TLS connection, complete the following tasks. Before you begin • Install and configure the Cisco CTL Client. For more information about CTL Client, see Security Guide for Cisco Unified Communications Manager. • Verify that the Cluster Security Mode in the Enterprise Parameters Configuration window is 1 (mixed mode). Operating the system in mixed mode impacts other security functions in your system. If your system is not currently running in mixed mode, do not switch to mixed mode until you understand these interactions. For more information, see Security Guide for Cisco Unified Communications Manager. • Verify that the Cluster SIPOAuth Mode field in the Enterprise Parameters Configuration window is set to Enabled. • Activate the Cisco Certificate Authority Proxy Function (CAPF) service on the first node. Procedure Purpose Command or Action Configure IPMASecureSysUser Application User. Configure IPMASecureSysUser Application User, on page 178 Step 1 Configure Certificate Authority Proxy Function (CAPF) Profile for the IPMASecureSysUser Application User. Configure CAPF Profile, on page 178 Step 2 Configure service parameters for the Cisco IP Manager Assistant service. Configure Cisco WebDialer Web Service , on page 180 Step 3 Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 177 Call Center Features Configure Secure TLS Connection to CTI for Manager Assistant