Set-top box to provide SIP-based VoIP service and its method

摘要

1. the art that the invention defined in the claims; The invention, will on the set-top box and a method having a connection set up protocol-based Internet phone service provider functions.; 2. The invention attempts to solve the technical challenges; The present invention, a home access to under a network environment in conjunction with home gateway set protocol provides a set-top box and a method having the connection establishment protocol-based Internet phone service providers the ability to provide (SIP Session Initiation Protocol) based Internet calling service for that purpose.; 3. Resolution of the subject matter of the invention,; The present invention, in the set-top box has a connection set up protocol-based Internet phone service provision function, a digital broadcast composite tuning means for extracting broadcast stream data from a broadcast signal received via various broadcasting systems; Home network matching means for matching the transmitted communication signal from the home gateway via a wired or wireless home network; The internet (IP) broadcasting tuning means for converting the Internet (IP) packet that is received from the home network matching means is transmitted to the broadcast data stream; Decoding means for decoding a breakdown of the broadcast stream data from the Internet broadcast tuning means and said composite digital broadcast tuning means into video and audio signals using the MPEG-2 (MPEG2); Video / audio output means for outputting video and audio signals decoded by the decoding means to the outside; And decoding the audio signal received from the encoded voice signal, and the home network matching device received from a terminal under the control of the control means, according to the call request from the terminal generates a (Dual Tone Multi Frequency) DTMF signal, a standard connector a call registration means for transmitting the voice signal and the DTMF signal to the terminal via; And a control means for processing the real-time transport protocol (RTP) / Real-time Transport Control Protocol (RTCP) for connecting call processing for a voice call setup protocol (SIP) and a voice packet transmission.; 4. An important use of the invention,; The invention yiyongdoem such a home network system.