With news like this, it’s understandable that your business might be cautious about moving to a telecoms system that connects your company PBX to the internet. Such caution needs to be tempered by a ...

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, ...

In our latest installment, see how carriers and vendors responded to Lisa's inquiries on a few key topics. Many No Jitter readers continue to express interest in information exchanged during sessions ...

The resurgence of interest in VoIP to provide telephone services worldwide is often credited to the use of session initiation protocol (SIP) for signaling. Both residential and enterprise VoIP ...

Secure SIP protects VoIP traffic By Michael Ward Session Initiation Protocol has become the call control protocol of choice for VoIP networks because of its open and extensible nature. However, the ...

While setting up a SIP phone at home, I noticed something surprising - most SIP providers don't seem to offer any kind of encryption on the connection; both voice data and login data is done in clear ...

Growing interest in SIP-enabled communications — from VoIP to SIP-based collaboration apps such as Microsoft’s LCS (Live Communications Server) 2005 — has sparked the need to better secure SIP traffic ...

In a deployment scenario for SIP-based VoIP devices, it is necessary for standardization in the security protocols, mechanisms and other parameters to use or to have the capability of negotiating a ...