/mcpStep 10 Click Apply Config. Configure an Intercom Calling Search Space Procedure Step 1 In the menu bar, choose Call Routing > Intercom > Intercom Calling Search Space. Step 2 Click the Add New. Step 3 Configure the fields in the Intercom Calling Search Space field area. For more information on the fields and their configuration options, see Online Help. Step 4 Click Save. Configure an Intercom Directory Number Procedure Step 1 Choose Call Routing > Intercom > Intercom Directory Number. The Find and List Intercom Directory Numbers window is displayed. Step 2 To locate a specific intercom directory number, enter search criteria and click Find. A list of intercom directory numbers that match the search criteria displayed. Step 3 Perform one of the followings tasks: a) To add an intercom directory number, click Add New. b) To update an intercom directory number, click the intercom directory number to update. The Intercom Directory Number Configuration window displayed. Step 4 Configure the fields in the Intercom Directory Number Configuration field area. For more information on the fields and their configuration options, see Online Help. Step 5 Click Save. Step 6 Click Apply Config. Step 7 Click Reset Phone. Step 8 Restart devices. During the restart, the system may drop calls on gateways. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 175 Call Center Features Configure an Intercom Calling Search Space