Session initiation protocol (SIP) trunking allows any organization to upgrade its offline PBX to an internet-powered business phone system. Business leaders are using this technology to harness VoIP’s ...

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 ...

XO Communications has unveiled an enterprise-class, multi-site Session Initiation Protocol trunking solution designed to add flexibility and scalability to distributed voice network architecture for a ...