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) ...

Some of the devices now supported on the PSTN will have to be re-engineered for the IP connection, at considerable cost to the enterprise and consumer. Communications providers, especially AT&T, have ...

Although many enterprises are eager to adopt SIP, they see their legacy PBX systems as a roadblock to the cost savings and enhanced applications that SIP would bring. This paper outlines how to ...