/mcpPurpose Command or Action if your system uses a Common Device Configuration to apply configuration options • Add a Softkey Template to a Common Device Configuration, on page 222 to phones. This is the most commonly used • Associate a Common Device Configuration with a Phone, on page 223 method for making a softkey template available to phones. Optional. Use this procedure either as an alternative to associating the softkey template Associate a Softkey Template with a Phone, on page 223 Step 3 with the Common Device Configuration, or in conjunction with the Common Device Configuration. Use this procedure in conjunction with the Common Device Configuration if you need assign a softkey template that overrides the assignment in the Common Device Configuration or any other default softkey assignment. Enable advanced conferencing, specify the maximum number of participants, and specify when to drop a conference connection. Configure Ad Hoc Conferencing, on page 223 Step 4 Enable Join Across Lines to create a conference. Configure Join Across Lines, on page 227 Step 5 Configure Softkey Template for Conferencing Use this procedure to make the following conferencing softkeys available: Call States Description Softkey On Hook Connected View a list of participant directory numbers that are in an Ad Hoc conference. The name of the participant is displayed if it is configured in Cisco Unified Communications Manager Administration. Conference List (ConfList) On Hold Join up to 15 established calls (for a total of 16) to create a conference. Join On Hook Connected The conference controller can invoke the conference list and remove any participant in the conference by using the Remove softkey. Remove Last Conference Party (Remove) Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 220 Conferencing Features Configure Softkey Template for Conferencing