Even many IT professionals haven't heard of the Session Initiation Protocol (SIP), so it's almost certain your users haven't. However, unless you're using an entirely proprietary Voice-over-IP (VoIP) ...

Why Most Buyers Can Ignore the Question of SIP vs VoIP Your email has been sent Discover the differences between SIP vs VoIP and why those differences don’t really matter that much during the buying ...

An organization that provides voice over IP (VoIP) service and enables calling from SIP phones to plain-old-telephone (POTS) lines and vice versa. SIP is the universal protocol used for Internet ...

In Part 1 of our SIP primer, I covered the SIP foundation layers starting from the message structure and ending with the SIP transactions. We saw how phone registrations and proxies could work using ...

VoIP: Voice over Internet Protocol. Meet the acronym for communication technology which helps your company communicate faster. When you purchase through links on our site, we may earn an affiliate ...

SIP (Session Initiation Protocol) continues to gain traction among hardware and software vendors in the VoIP (voice over IP) industry. This week Codima Technologies, designers of network management ...

They’re more cost-effective, flexible, and scalable, and they’re full of features that can help your business look and sound more professional. That aside, by January 2027, you may have no choice but ...

Switzerland-based O-FONE (not to be confused with Microsoft’s oPhone) has released a SIP VoIP client for Symbian’s S60 platform. Perhaps more interesting than the client itself is their claim that ...

In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol's inner workings fairly vague. This article will drill ...