Refer to the exhibit. An engineer is troubleshooting a call-establishment problem between Cisco Unified Border Element and Cisco UCM. Which command set corrects the issue? A. SIP binding in SIP configuration mode: voice service voip sip bind control source-interface GigabitEthernet0/0/1…

Refer to the exhibit. A call made through the Cisco Unified Border Element to pilot 2000 is failing. What is causing the call to fail? A. The Cisco Unified Border Element is not receiving a response to its OPTION keepalives.…