>From RFC 3261 Section 8.1.1.3 specifies: "The From field MUST contain a new "tag" parameter, chosen by the UAC. See Section 19.3 for details on choosing a tag.
For further information on the From header field, see Section 20.20." Section 20.20 Does not mention this tag Moreover in the ABNF in section 25.1 we have: " From = ( "From" / "f" ) HCOLON from-spec from-spec = ( name-addr / addr-spec ) *( SEMI from-param ) from-param = tag-param / generic-param tag-param = "tag" EQUAL token " This ABNF implies that 1. the "tag" is optional 2. another generic-param can replace or be added to the "tag" Is the tag parameter required (in which case the ABNF is wrong) ? _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
