Sent 18x with 'require:100rel' but no PRACK recieved

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_______________________________________________
Sip mailing list  https://www.ietf.org/mailman/listinfo/sip
This list is essentially closed and only used for finishing old business.
Use [email protected] for questions on how to develop a SIP implementation.
Use [email protected] for new developments on the application of sip.
Use [email protected] for issues related to maintenance of the core SIP specifications.
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