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Question 139 - 300-815 discussion
A customer reports that outbound calls from Cisco UCM to Cisco Unified Border Element are not getting early media. 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?
On Cisco Unified Border Element, configure midcall-signaling passthru.
On Cisco UCM, change the 'Early Offer support for voice and video calls' field on the SIP profile that is applied to the SIP trunk to Disabled.
On Cisco Unified Border Element, configure early-offer forced.
On Cisco UCM. change the 'SIP ReHXX Options' field on the SIP profile that is applied to the SIP trunk to Send PRACK if 1xx Contains SDP.
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