300-820 · Question #190
300-820 Question #190: Real Exam Question with Answer & Explanation
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Question
Refer to the exhibit. A company has a Cisco collaboration infrastructure that contains Cisco UCM and Cisco Expressway-C and Expressway-E for Mobile and Remote Access. When the engineer sets up the environment to support B2B calling, they discover that the zone stale between Expressway-C and Cisco UCM failed. What must the STEP Trunk Security Profile setting be changed to in Cisco UCM to resolve the issue?
Options
- AUDP for the outgoing transport type
- Bvalue other than the default listening port for outgoing SIP connections on Cisco UCM
- Cvalue other than the default listening port for incoming SIP connections on Cisco UCM
- DTCP for the incoming transport type
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