Patent ID: 7016338
Filing Date: 2006-03-21
Classification: H04L,H04M,H04Q

Abstract:
1. Method comprising the steps of communicating between an internet protocol (IP) device over an IP network and a bridge connected to non-IP private branch exchange (PBX) equipment as a PBX extension of said PBX, said PBX providing telephony connections as well as telephony-related features to extensions connected thereto, which equipment is connected to a public switched telephone network (PSTN), by signaling from said IP device to said bridge with an access code indicative of a feature of said PBX equipment and by converting said access code to a non-IP protocol for accessing said feature of said non-IP PBX equipment by said IP device, wherein preceding said signaling with an access code, a remote hookflash is signaled from said P device to said bridge.