Disable Early Offer

Hello,

Does anyone know how to disable Early Offer on FreePBX?

Pape

Which broken SIP implementation are you trying to interwork with? Maybe there is an alternative solution as I believe that Asterisk always originates with early offer (definitely true of chan_sip, and probably true of chan_pjsip). Both will accept calls from endpoints that use late offer.

Early offer refers to sending the SDP offer in the INVITE, and getting the counter offer with the response, as against making the offer in the response, and getting the counter offer in the ACK. SIP UACs can use either, so SIP UAS’ must always cope with early offer.

Rejecting an incoming early offer is likely to cause the call to fail, as there is no standard way of signalling such a rejection.

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