/mcpDescription Field Enter the name of the BLF presence group that you want to configure. For example, Executive_Group. Name Enter a description for the BLF presence group that you are configuring. Description Select one or more BLF presence groups to configure the permission fields for the named group to the selected groups. Modify Relationship to Other Presence Groups For the selected BLF presence groups, choose one of the following options from the drop-down list: • Use System Default—Set the permissions field to the Default Inter-Presence Group Subscription clusterwide service parameter field (Allow Subscription or Disallow Subscription). • Allow Subscription—Allow members in the named group to view the real-time status of members in the selected groups. • Disallow Subscription—Block members in the named group from viewing the real-time status of members in the selected groups. The permissions that you configure appear in the BLF Presence Group relationship pane when you click Save. All groups that use system default permission field do not appear. Subscription Permission BLF Presence Group Association with Devices and Users Perform the following procedures to apply a BLF presence group to the phone, SIP trunk, phone that is running SIP, phone that is running SCCP, directory number, application user (for application users that are sending presence requests over the SIP trunk), and end user. The system allows presence requests between members in the same BLF presence group. Note Associate BLF Presence Groups with Phone You can use BLF presence for phones and trunks when the phones and trunks have permission to send and receive presence requests. Cisco Unified Communications Manager handles the BLF presence requests for Cisco Unified Communications Manager users, whether inside or outside the cluster. For a Cisco Unified Communications Manager watcher that sends a BLF presence request through the phone, Cisco Unified Communications Manager responds with the BLF presence status if the phone and BLF presence entity are colocated Before you begin Configure BLF Presence Groups, on page 532 Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 534 Presence and Privacy Features BLF Presence Group Association with Devices and Users