Cisco Unified IP Phone 7931G Connections The following figure and table show how to connect your phone. DC Adaptor port (DC48V) Network port (10/100 SW) Cisco Unified IP Phone 7931G User Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
Phone Cable Lock You can secure the Cisco Unified IP Phone to a desktop using a laptop cable lock. The lock connects to the security slot on the back of the phone, and the cable can be secured to a desktop.
Beyond physical, mechanical, and technical performance, the audio portion of a headset must sound good to the user and to the party on the far end. Sound quality is subjective and Cisco cannot guarantee the performance of any headsets. However, a variety of headsets from leading headset manufacturers are reported to perform well with Cisco Unified IP Phones.