To mitigate identity theft in SIP networks, an inter-domain authentication mechanism based on certificates is proposed in RFC 4474 [10]. Unfortunately, the design of the certificat...
Ge Zhang, Jordi Jaen Pallares, Yacine Rebahi, Simo...
As Internet telephony systems continue to replace existing Public Switched Telephone Network systems, proxy servers running the Session Initiation Protocol (SIP) will continue to ...
Abstract— Public Safety Answering Points (PSAPs) serve limited geographic areas, so emergency callers must be directed to the most appropriate PSAP. As part of the overall Intern...
Henning Schulzrinne, Hannes Tschofenig, Andrew New...