@techreport{rosenberg-sip-firewalls-00, number = {draft-rosenberg-sip-firewalls-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-rosenberg-sip-firewalls/00/}, author = {Jonathan Rosenberg and Henning Schulzrinne and Dale Drew}, title = {{Getting SIP through Firewalls and NATs }}, pagetotal = 30, year = 2000, month = feb, day = 23, abstract = {This document discusses the interaction of the Session Initiation Protocol (SIP) with with Network Address Translators (NATS) and firewalls. We show the difficulties in SIP traversing these devices, and we compare the solutions that might be used.}, }