Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-05-09
2009-06-02
Chan, Wing F (Department: 2419)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
Reexamination Certificate
active
07542469
ABSTRACT:
A method for remotely communicating with a Broadband modem is provided. Once a communication error is detected on a Broadband modem, a Plain Old Telephone System (POTS) connection is established between the Broadband modem and a remote server. Communication then occurs with the remote server via the POTS connection using Dual-Tone Multi-Frequency (DTMF) tones. The communication preferably comprises transmitting information associated with the communication error to the remote server via the POTS connection using DTMF tones and receiving a diagnosis from the remote server via the POTS connection in DTMF tones. A system for remotely diagnosing a Broadband modem as well as a Broadband modem is also provided.
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Herrick Steven L.
Obenhuber Thomas
Owens Craig Braswell
Chan Wing F
Jones Prenell P
The DIRECTV Group Inc.
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