"Folks say, 'I've got a SIP-based contact center, and I've got a SIP-based PBX. They are both SIP, so they should just be able to plug right into each other."
Right? But AudioCodes' Alan Percy says, "The answer is often 'No.' Behind all that ... the SIP specification is a product of IETF which is the Internet Engineering Task Force. It is a committee-designed protocol specification. The side effect of that is there are 2-3 different suggested ways of how to implement a feature or function... Read More