/mcpStep 5 From the Calling Search Space drop-down list, select a calling search space that includes both the new partition and the partition for the PLAR destination device. Step 6 In the Called Party Transformation Mask field, enter the PLAR destination directory number. Step 7 Click Save. Private Line Automatic Ringdown Configuration Task Flow for SIP Phones Perform these tasks to configure Private Line Automatic Ringdown (PLAR) on SIP Phones. Procedure Purpose Command or Action Create a SIP dial rule for PLAR. Create SIP Dial Rule for Private Line Automatic Ringdown, on page 580 Step 1 Assign the PLAR dial rule to the phone. Assign Private Line Automatic Ringdown Dial Rule to SIP Phone, on page 581 Step 2 Create SIP Dial Rule for Private Line Automatic Ringdown To configure Private Line Automatic Ringdown (PLAR) on SIP phones, you must configure a SIP dial rule for your PLAR destination number. Before you begin Create Partition, on page 578 Assign Partitions to Calling Search Spaces, on page 578 Assign Partition to the Private Line Automatic Ringdown Destination, on page 579 Configure Translation Pattern for Private Line Automatic Ringdown on Phones, on page 579 Procedure Step 1 In Cisco Unified CM Administration, choose Call Routing > Class of Control > SIP Dial Rules. Step 2 Click Add New. Step 3 From the Dial Pattern drop-down list, choose 7940_7960_OTHER. Step 4 Click Next. Step 5 Enter a name and description for the dial rule. Step 6 Click Next. Step 7 In the Pattern field, enter a pattern that matches the PLAR destination number and click Add PLAR. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 580 Presence and Privacy Features Private Line Automatic Ringdown Configuration Task Flow for SIP Phones