Method for handling of a call coming to terminal equipment in a

Details Method for handling of a call coming to terminal equipment in a Method for handling of a call coming to terminal equipment in a

1994-10-24

1995-09-12

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379100, H04Q 720, H04M 1100

Patent

active

054504724

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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patent: 5293575 (1994-03-01), Hirai
Jain, V. K., "Performance of a terminal adapter: CCITT v.110", Globecom '88, IEEE Global Telecommunications Conference and Exhibition--Communications for the Information Age Conference Record (IEEE Cat. No. 88CH2535-3) pp. 790-793 vol. 2, 1988.

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