Patent ID: 7426218

Claim:
A method comprising: partitioning inter-Private Branch Exchange (PBX) communications from existing PBX communications, where an inter-PBX communication is received from a device not supported by a PBX; receiving a partitioned inter-PBX communication, via a first network access device, the partitioned inter-PBX communication comprising a content portion and a signaling portion in accordance with a QSIG access protocol; encapsulating the content portion and the signaling portion of the partitioned inter-PBX communication, via the first network access device, to provide a plurality of respective content packets and signaling packets; transmitting the signaling packets from the first network access device to a control component via a data network; establishing, via the control component, a connection within the data network between the first network access device and a second network access device in response to receiving the signaling packets; and communicating the content packets from the first network access device to the second network access device over the established connection.