A Media Gateway Control Protocol (MGCP) is a Voice over Internet Protocol system used to handle the exchange of information and the management of a multimedia conference session. The exchange of information, known as signaling, is responsible for connecting, controlling and terminating sessions. Therefore, an MGCP protocol is used to set up, maintain and end calls between multiple points.
iVox Communications is a privately funded company, formed in 2004 to build a national VoIP carrier grade network and provide wholesale services to internet and telephone service providers.