Refer to the exhibit.
A network administrator in Cisco recently configured ILS in the network. The administrator attempted a call to Joe’s SIP URI ([email protected]), but the call failed. The administrator collected Cisco CallManager traces using Cisco Unified Communications Manager RTMT. What should the administrator do to solve this issue?
A. Create a route pattern for "americas" to route out the SIP trunk that is configured for the remote ILS cluster.
B. Joe’s phone is currently using the SIP protocol. Change the protocol to SCCP.
C. Use the utils dbreplication reset all command to synchronize databases between ILS clusters.
D. Check the "MTP Required" check box on the ILS trunk.
