Method for handling of a call coming to terminal equipment in a digital transmission system, and a mobile telephone
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United States of America Patent
Stats
-
Sep 12, 1995
Issued Date -
N/A
app pub date -
Oct 24, 1994
filing date -
Jun 17, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for handling a call coming via a digital transmission system in terminal equipment suitable for speech and data service, the transmission system including at least one connection element which is a speech transmission connection when the call is in speech service mode and which is a data transmission connection rate-adapted in compliance with the CCITT recommendation V.110 or in a like manner and preferably attached to V.24 interfaces when the call is in data service mode. The terminal equipment starts the connection in speech service mode and automatically changes over to data service mode and initiates a procedure for changing the at least one connection element to a data transmission connection upon receipt, in speech mode, of a predetermined audio signal from the connection. The method can make use of a mobile telephone.
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Family
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