Are SIP trunks as reliable as an ISDN PRI T1? I’m asked this question a lot, so I thought it’d be a great blog topic. I don’t think you are as concerned with this as the amber lights in the server ...

Which voice and data delivery mechanism is right for your business? SIP or PRI? It's a question that IT policy makers have grappled with all across the world. It's also a subject that can polarize ...