SIP-trunking services have been around for a while, but their pervasiveness among enterprises has been hampered by interoperability concerns. Early results from Nemertes’ Advanced Communications ...

While many enterprises have transitioned to SIP trunking as they adopt Voice over IP (VoIP), many are hesitant to migrate their contact centers away from the Public Switched Telephone Network (PSTN) ...

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, ...

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 ...