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What Is The Difference Between Re-invite And Retransmitted Invite?

Answer»

A re-INVITE is USED to change the session parameters of an existing or PENDING call. It uses the same Call-ID, but the CSeq is incremented because it is a NEW request. A retransmitted INVITE will contain the same Call-ID and CSeq as a PREVIOUS INVITE.

A re-INVITE is used to change the session parameters of an existing or pending call. It uses the same Call-ID, but the CSeq is incremented because it is a new request. A retransmitted INVITE will contain the same Call-ID and CSeq as a previous INVITE.


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