On either side of that somewhat soft SIP trunk demarc, security continues to be important, and it's still a matter of contention on who's willing to pay for what services. In case you don't know him, ...

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 ...

Just what is SIP trunking? Let’s take it one part at a time. SIP refers to Session Initiation Protocol, the standard developed in the 1990s by the Internet Engineering Task Force that is used to set ...

Some companies may elect to use different compression schemes on the intra-company calls they place on their MPLS networks, but if the call is transiting the SIP Trunk for offnet purposes (both on an ...

For those with lots of distributed PBXs or key systems, adopting SIP trunking means deploying SIP-to-PRI gateways or managing large numbers of new trunks. New offerings based on session management can ...

The merits of SIP trunking have been talked about for years and now it looks like businesses are aggressively adopting the technology, lured by striking cost savings and the promise of new ...

Telesphere's private, nationwide MPLS network provides direct private SIP interconnection to IP PBXes from vendors such as Asterisk, Avaya and Cisco, as well as TDM PBXes. By using Telesphere for ...

So our phone system people are trying to setup a SIP trunk on our Mitel 3300 unit. I open up firewall ports and setup 1:1 NAT for the PBX's IP, everything looks like it should be OK. They are telling ...

GTT Communications Inc., a leading networking and security as a service provider for multinational organizations, today announced the expanded availability of its global enterprise voice services to ...

The switch can have substantial up-front costs, but it can also provide savings of up to 50 percent on telecommunications costs The merits of SIP trunking have been talked about for years and now it ...