There is no max length in the RFC. I've seen them up to 256.
________________________________ From: Users <[email protected]> on behalf of Saint Michael <[email protected]> Sent: Tuesday, October 25, 2022 12:41 PM To: OpenSIPS users mailling list <[email protected]> Subject: [OpenSIPS-Users] How long can the callID be in SIP I just caught a callID that is 160 characters long. What is the max length that it should be? I am using 128. _______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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