SIP trunking is a cost-effective option for modernizing legacy phone systems with minimal disruption. Discover the best SIP trunking providers and how to choose one in our complete buyer’s guide. I’ve ...

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 ...

You would think that with the growth of SIP trunk deployments, the providers would be better at implementation and support. It does not seem so. Editor's note: This ...

REDMOND, Wash., and FAIR LAWN, N.J. — March 13, 2006 — Today, Microsoft Corp. (Nasdaq: MSFT) and RADVISION (Nasdaq:), a leading provider of multimedia ...