The iptel.org 180+ page SIP tutorial is outstanding. Another overview that is a bit more market-oriented and nearly as long. White paper on the SIP value proposition over telephony, SIP and the new ...

We didn’t just take a sip. We took a good long drink of SIP technology in this round of iLabs testing. We gathered more than 50 devices from five SIP server vendors and 13 SIP endpoint vendors to ...

GAITHERSBURG, Md., July 31, 2025 (GLOBE NEWSWIRE) -- GL Communications Inc., a global leader in telecom testing solutions, addressed the press regarding their SIP protocol emulation and testing ...

Cisco Systems Inc.’s update to its CallManager IP PBX — introduced this week with native Session Initiation Protocol (SIP) support — will require broader ...

On either side of that somewhat soft SIP trunk demarc, security continues to be important, and it's still a matter of contention on who's willing to pay for what services. In case you don't know him, ...

Session Initiation Protocol (SIP) is an Internet Engineering Task Force (IETF) standard protocol for initiating, modifying and terminating an interactive user session that involves multimedia elements ...

Carriers have a very good reason for adopting forward-looking IP Multimedia Subsystem (IMS) technology in their networks. IMS enables them to provide their end customers with the best possible ...

A network that uses the IP protocol, which is part of the TCP/IP protocol suite. IP has become the global standard for networking, which includes the entire Internet, many of the data and voice ...

GAITHERSBURG, Md., July 30, 2025 (GLOBE NEWSWIRE) -- GL Communications Inc., a global leader in telecom testing solutions, addressed the press regarding their SIP protocol emulation and testing ...