Patent ID: 6788693
Filing Date: 2004-09-07
Classification: H04J,H04L,H04Q

Abstract:
A method of operating a communication system comprising:receiving Integrated Services Digital Network (ISDN) signaling into a signaling processing system; in the signaling processing system, processing the ISDN signaling to select an identifier for a header of a user communication, wherein the selected identifier is for routing the user communication in a packet format; transferring a control message from the signaling processing system indicating the selected identifier; receiving the control message into an interworking unit; receiving the user communication in an ISDN format into the interworking unit; in the interworking unit, in response to the control message, converting the user communication from the ISDN format into the packet format having the selected identifier in the header; and transferring the user communication in the packet format having the identifier in the header from the interworking unit, wherein a packet system routes the user communication based on the identifier.