Patent ID: 7580419
Filing Date: 2009-08-25
Classification: H04L

Abstract:
1. A telecommunication network for communication between a local device and at least one remote device, comprising: a network system integrated with an SIP call server and an SIP agent client of a local device, the network system being based on the Session Initiation Protocol (SIP) structure and being provided between the local device and a network for connecting with an SIP agent client of at least one remote device, wherein said network system includes: at least one local connecting port for coupling with the local device; a remote connecting port for coupling with the network; and an SIP processing module electrically connected with the local connecting port and remote connecting port to execute at least one SIP agent client program and at least one SIP call server program, the SIP processing module including: said SIP agent client of the local device converting an analog voice signal of the local device into a digital signal and sending the digital signal to the SIP agent client of said at least one remote device, and converting a digital signal sent from the SIP agent client of said at least one remote device into an analog voice signal and sending the analog voice signal to the local device; and said SIP call server, said SIP call server being based on an SIP structure and being operatively coupled between said SIP agent client of the local device and said SIP agent client of said at least one remote device, wherein after said SIP agent client of the local device and said SIP agent client of said at least one remote device perform SIP registry and the locations of said SIP agent client of the local device and said SIP agent client of said at least one remote device are linked, said SIP agent client of the local device and said SIP agent client of said at least one remote device bidirectionally telecommunicate with each other by voice.