Q: 14
A customer reports that outbound calls from Cisco UCM to Cisco Unified Border Element are not
getting early medi
a. During troubleshooting, the customer finds that Cisco UCM is sending a delayed offer SIP INVITE.
Cisco Unified Border Element responds with a 183 Session Progress with SDP message. However, the
customer finds that Cisco UCM does not respond to the 183 messages. Which action must the
customer perform to resolve the problem?
Options
Discussion
C imo, B is a common trap but early-offer forced on CUBE sorts early media here.
C tbh, official Cisco docs and lab sims point to early-offer forced as the fix for early media with UCM and CUBE.
A is wrong, C. Early-offer forced fixes the mismatch between delayed offer and early media here.
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