Dear All,

It is legal to send re-invite after sending T.38 when negotiation is
already done.

Below is the scenario.

UA ---------> INVITE
UA  <------100 Trying
UA <------- 180 w/SDP
UA <------- 200 OK
UA  ----------> (Re-invite for fax with T.38)
UA <------100 Trying
UA <-----------200 OK
*UA <---------- RE-INVITE wSDP G.729*
*UA ---------> 488*

Now after this another re-invite is coming (in green) with G.729 Codec and
i am rejecting this with SIP 488.

Anyone observed this kind of scenario earlier?

Can you please advise and help on this.

Thank you in advance.

Regards
Nitin Kapoor
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