The communications protocol SIP (Session Initiation Protocol) not only enables VoIP, but also other forms of realtime communications over the Internet. The beauty of this protocol is that it ...

US LEC Corp, a CLEC, has integrated VoIP and broadband connection directly with the customers' IP-PBX. US LEC Corp., a telecommunications carrier serving businesses and enterprise organizations ...

But if you are interested in wireline/SIP connectivity, this is one of the reasons companies employ both Internet and MPLS on SIP Trunks--they use the Internet connection for backup connectivity in ...

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 ...

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 ...

SAN JOSE, Calif. -- Data Connection Limited (DCL), the world's leading provider of communications protocol software, announced today at the Spring VON 2005 show (Booth #829) that Tellme Networks, ...

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 ...

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Whether you are simply performing a voice-over-IP refresh or getting ready for a complete redesign, it's best to have a plan for what technology you have in place and what you want to accomplish.