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If you still think SIP trunking is primarily about cost savings -- guess what? You're still right. The conventional wisdom on SIP trunking was expected to shift over time, in a classic new-technology ...

But like PRI, the SIP Trunk service provider supplies the signaling and transport services to the customer site (s), which interconnect to the (certified) CPE. Some providers who make extensive use of ...

Also included are well-researched appendices that show prices for WAN connections, SLA parameters, a model for private SIP trunks, and other valuable information like sample international calling ...

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 ...