ABNF for SIP.
The HTML versions of ABNF below have been automatically generated using the ABNF2HTML tool provided by Inet Technologies, Inc. written by Brian Bidulock.
These versions of ABNF are for informational purposes only and are intended as a tool to help read the ABNF specifications. Please see the Copyright and Disclaimers at the end of each document. For definitive syntax descriptions, please refer to the source IETF documents.
The protocol syntax is presented in ABNF according to RFC2234 with extensions from RFC822.
The syntaxes presented are: