What's VoIP's Big Security Problem? SIP Session Initiation Protocol (SIP) is a must for voice over IP (VoIP) communication. But by itself, SIP is insecure and easily hacked. Here's what you need to ...

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 ...

Session Initiation Protocol (SIP), with its promise of serving as a single global signaling standard, has mushroomed in importance for networking in the past year. But it may be years from adoption ...

Cyber-attacks using the VoIP protocol Session Initiation Protocol (SIP) have been growing this year accounting for over 51% of the security event activity analyzed in the last 12 months, according to ...

Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...

Session Initiation Protocol (SIP) is a control (signaling) protocol developed by the Internet Engineering Task Force (IETF) to manage interactive multimedia IP sessions including IP telephony, ...

Can the Army transition to an IP-based voice architecture? Lessons learned when Fort Leonard Wood went to an all-IP phone system will help. In a complex world, sometimes old questions require new ...

In June, Voice over Internet Protocol (VoIP) software developer Xten promised to bring its eyeBeam software to the Mac platform and today the company delivered. EyeBeam is a Session Initiation ...

20 October 2008 Aastra, a global player in the Enterprise Communications market, launches its portfolio of Telephone sets and Virtual Presence videoconferencing solution based on the open standard ...