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 ...

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 ...

A glitch in some vendors’ Session Initiation Protocol (SIP) software could leave SIP-enabled devices – such as IP phones, IP PBXs and instant messaging clients – vulnerable to denial-of-service ...

VoIP vendors poised to make news at VoiceCon this week say they will deliver on the multimedia and interoperability promises of Session Initiation Protocol with a lineup of products that use the ...

3Com has announced a new IP telephony platform for SMEs, as well as an appliance designed to implement open-source-based VoIP. The VCX Connect platform offers session initiation protocol (SIP)-based ...

Maturing Internet Protocol telephony standards, client devices and applications in Global 3,500 companies mean that voice-over-IP deployments are finally starting to make sense. With VoIP moving ...

Inter-Tel later this month is expected to announce a Linux-based IP PBX with multimedia support, presence and other advanced communications features that could help users perform their jobs more ...

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 ...