%% You should probably cite rfc3661 instead of this I-D. @techreport{foster-mgcp-returncodes-03, number = {draft-foster-mgcp-returncodes-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-foster-mgcp-returncodes/03/}, author = {Bill Foster and C Sivachelvan}, title = {{Media Gateway Control Protocol (MGCP) Return Code Usage}}, pagetotal = 24, year = 2003, month = aug, day = 14, abstract = {This document provides implementation guidelines for the use of return codes in RFC 3435, Media Gateway Control Protocol (MGCP) Version 1.0. Return codes in RFC 3435 do not cover all possible specific situations that may ever occur in a gateway. That is not possible and not necessary. What is important is to ensure that the Call Agent that receives a return code behaves appropriately and consistently for the given situation. The purpose of this document is to provide implementation guidelines to ensure that consistency.}, }