Send SIP re-INVITE without SDP

Discussion related to the Session Initiation Protocol
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dimitros
Posts: 1
Joined: Mon Dec 02, 2013 9:28 am

Send SIP re-INVITE without SDP

Post by dimitros »

From what i read a re-invite can be sent without SDP but not in all cases. How can i find which are those cases?
More specific, i want to know if re-invites that are followed up with a 488 or a 491 response are supposed to send SDP.
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