Refer to the exhibit. An administrator is asked to allow new phones to use self-provisioning Interactive Voice Response. Which change to the Universal Device Template implements this feature?
Answer(s): C
What is the default TCP port for SIP OAuth mode in Cisco UCM?
Which two types of devices are included in the conditionally trusted endpoints category of Cisco UCM? (Choose two.)
Answer(s): D,E
An engineer is troubleshooting a registration issue where SIP phones fail to register to their Cisco UCM cluster. After an investigation, the engineer discovers that the phones fail to receive an IP address. The engineer already validated that these components were working:Physical connectivityDHCP configurationCisco UCM configurationWhat must be validated next to resolve the issue?
Since the engineer has already validated physical connectivity, DHCP configuration, and Cisco UCM settings, the next logical step is to check the VLAN assignment.In Cisco IP telephony deployments, IP phones often receive their VLAN assignment through CDP (Cisco Discovery Protocol) or LLDP-MED (Link Layer Discovery Protocol - Media Endpoint Discovery). If the phones are in the wrong VLAN or do not receive the proper voice VLAN assignment, they will not get an IP address from the DHCP server, leading to registration failure.
Refer to the exhibit. A customer reports that SIP voice calls are using G.711 codec instead of G.729. The administrator checks the SIP signaling in the logs and sees the SDP shown. What will the administrator see in the logs if the right configuration change was made to resolve the issue?
Answer(s): D
E. 729 is identified in SDP by RTP payload type 18, so after the correct configuration change, the SDP media line reflects this payload type, indicating that G.729 is now being negotiated and used for the SIP voice calls.
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