/mcpb) From the Monitoring Calling Search Space drop-down list, choose a calling search space that includes both the supervisor phone line and the agent phone line. c) Click Save. Configure Silent Monitoring Notification Tones In certain jurisdictions, a notification tone must be played to either the agent, the customer, or both, that indicates that the call is being monitored. By default, Unified Communications Manager does not play notification tones. You must configure a service parameter to allow notification tones. Procedure Step 1 From Cisco Unified CM Administration, choose System > Service Parameters. Step 2 From the Server drop-down list, choose the server one which the CallManager service is running. Step 3 From the Service drop-down list, choose Cisco CallManager. Step 4 Configure values for the following service parameters: • If you want to play a notification tone to the agent, change the value of the Play Monitoring Notification Tone To Observed Target service parameter to True. • If you want to play a notification tone to the customer, change the value of the Play Monitoring Notification Tone To Observed Connected Parties service parameter to True. Step 5 Click Save. Step 6 Reset the agent phone, if you changed the service parameter configuration. Configure Secure Silent Monitoring To configure secure silent monitoring using sRTP, you must configure phone security profiles that include encryption and apply them to the supervisor phone and to any agent phones that are being monitored. Procedure Purpose Command or Action Configure phone security profiles that include encryption for the agent phone and supervisor phone. Configure an Encrypted Phone Security Profile , on page 126 Step 1 Apply the encrypted phone security profile to the agent phone and the supervisor phone. Assign Security Profile to Phone, on page 126 Step 2 Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 125 Monitoring and Recording Configure Silent Monitoring Notification Tones