Method and Apparatus for multiplexing voice data over a single D

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

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379 9331, H04M 1100

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active

058189130

ABSTRACT:
An otherwise conventional DTE and an otherwise conventional DCE are provided with operating logic for multiplexing voice and data on a single DTE-DCE link linking the DTE and the DCE. The operating logic of the DTE/DCE transmits voice over the link for the DCE/DTE at nominally fixed intervals without flow control and buffering, and non-voice data in the remaining time with flow control and buffering. Voice are distinguished from data by transmitting predetermined special characters, or changing handshake circuit state, or using secondary circuit for transmission.

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