McDewey

C H A P T E R 28 Prime Line Support • Prime Line Support Overview, on page 323 • Prime Line Support Prerequisites, on page 323 • Prime Line Support Configuration Task Flow, on page 323 • Prime Line Support Interactions, on page 325 • Prime Line Support Troubleshooting, on page 326 Prime Line Support Overview You can configure the Prime Line Support in Cisco Unified CM Administration so that when the phone is off-hook and receives a call on any line, the system always chooses the primary line for the call. Prime Line Support Prerequisites The following devices are compatible with the Prime Line Support feature: Cisco Unified IP Phone 7900 Series, 8900 Series, and 9900 Series For more information on the supported devices, see the latest version of Cisco Unified IP Phone Guide and Cisco Unified IP Phone Administration Guide. Prime Line Support Configuration Task Flow To configure the Prime Line Support feature for either the Cisco CallManager service or devices and device profiles, perform one of the following procedures. Before you begin • Review Prime Line Support Prerequisites, on page 323. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 323