My CUCM SRND Design Notes 10.X – SIP TRUNK Deployments
Best Effort Early Offer [Early Offer support for voice and video calls Best Effort (no MTP inserted)] Best Effort Early Offer can be enabled on the SIP Profile associated with the SIP trunk, and it is the recommended configuration for all Unified CM and Unified CM Session Management Edition (SME) trunks. Best Effort Early Offer trunks never use MTPs to create an Early Offer and, depending on the calling device, may initiate an outbound SIP…
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