Hi All, As per 3261
"An ACK request for a 2xx response MUST contain only those Require and Proxy-Require values that were present in the initial request". As per table 2 (rfc 3261) require header is not applicable in ACK request. Does it serve any purpose if we send Require/Proxy-Require header in the ACK request? Any reason why it is mentioned in RFC as older posts on this forum does not provide any concrete answer? Regards Sumant _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
