Patent ID: 7729338
Filing Date: 2010-06-01
Classification: H04L,H04M,H04Q

Abstract:
1. A communication system comprising: a telephony card configured to detect off-hook events, detect on-hook events, transfer dial tones, collect dialed digits, transfer ringback tones, transfer busy tones, exchange analog telephony signals, provide event messages indicating the off-hook events, the on-hook events, and the dialed digits, and interwork the analog telephony signals with internet protocol signals; a broadband interface configured to exchange the internet protocol signals with an internet protocol network; and a provider agent configured to receive the event messages, responsively exchange control messages with an internet protocol network manager and control the telephony card and the broadband interface based on the control messages, wherein the control messages request telephony sessions based on the dialed digits, indicate alerting and busy conditions, indicate when the telephony sessions are joined, and indicate when the telephony sessions terminate.