Initialization a quick reconnect procedure

Initialization a quick reconnect procedure

A quick startup procedure for a modem system utilises known characteristics of a previously established communication channel to reduce the initialisation period associated with subsequent connections over the same channel. In response to the establishment of a call, the modem devices determine whet...

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Hauptverfasser: OLAFSSON, SVERRIR, BEADLE, BURK
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator OLAFSSON, SVERRIR
BEADLE, BURK
description A quick startup procedure for a modem system utilises known characteristics of a previously established communication channel to reduce the initialisation period associated with subsequent connections over the same channel. In response to the establishment of a call, the modem devices determine whether the quick connect protocol is supported. If so, then the called modem transmits a modified answer tone to the calling modem. The calling modem analyses the signal received in response to the modified answer tone to determine whether characteristics of the current channel are similar to stored characteristics associated with a previous connection over the same channel. If a channel "match" is found, then the modem devices carry out a quick initialisation routine that eliminates, abbreviates, or modifies a number of procedures or protocols that are carried out in conventional modem startup processes. The general quick startup techniques may also be applied in the context of a quick reconnect procedure that can be performed in response to a temporary pausing or disconnecting of the data modem mode.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Initialization a quick reconnect procedure
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