A new article on the Web site of Converge! Network Digest explores SIP's advantages in peer-to-peer VoIP. Jack Chang, chief operating officer of SIP-based global Internet telephony service TelTel, ...

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 ...

Most commonly this is accomplished through OC-X connectivity. CPA interconnection usually is not a question of SIP Trunking, but of the carrier's physical layer access interconnection capabilities and ...

For two codecs to successfully communicate via SIP through a SIP server, information must be exchanged between the two devices. Codecs manufactured by members of the Audio-via-IP Experts Group are SIP ...

I am setting up an IP phone system for an office with 20 people. Can anyone recommend a reliable SIP trunk provider? We have a Grandstream UCM6208 PBX. Most calls made will be international. I am ...