Using DSL services to facilitate real-time communications in...

Details Using DSL services to facilitate real-time communications in... Using DSL services to facilitate real-time communications in...

2008-01-29

2008-01-29

Smith, Creighton (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S355000, C379S198000

Reexamination Certificate

active

07324506

ABSTRACT:
The present invention delivers both voice and real-time communications over telephony infrastructure. The telephony infrastructure will effectively couple a DSL server in a local telephony exchange to telephony terminals and DSL modems at any number of user locations. Each DSL modem will be coupled to a computing device, such as a personal computer, that is capable of facilitating real-time communications. The DSL server is directly or indirectly coupled to a packet network. In addition to being coupled to the DSL server, telephony cabling at the local telephony exchange is also coupled to a telephony switch to support circuit-switched voice communications. As such, circuit-switched voice sessions may be established via the telephony switch with the telephony terminal over the same telephony cabling. Real-time communications may be provided over the telephony cabling using DSL service between the DSL modem and the DSL server.

REFERENCES:
patent: 6711207 (2004-03-01), Amrany et al.
patent: 6757367 (2004-06-01), Nicol
patent: 7099305 (2006-08-01), Fardid
patent: 2004/0136394 (2004-07-01), Onna et al.
patent: 2004/0139354 (2004-07-01), Jones et al.
patent: 2004/0213189 (2004-10-01), Alspaugh et al.
patent: 2005/0021835 (2005-01-01), Palm

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