System for and method of detecting a connection of a text...

Details System for and method of detecting a connection of a text... System for and method of detecting a connection of a text...

2006-12-19

2006-12-19

Ramakrishnaiah, Melur (Department: 2614)

Telephonic communications

Including aid for handicapped user

C379S093010, C379S093050, C455S557000

Reexamination Certificate

active

07151820

ABSTRACT:
A system for and method of detecting a connection of a text telephony (TTY) device to communication device, such as, a mobile telephone. The communication device provides a TTY bearer bit to its communication network upon detecting that a TTY device is connected to it. The connection between the communication device and the TTY device can be made using a smart cable or a connector cable. The detection that a TTY device is connected to the communication device is automatic and does not require the user of the communication device to enter a code or any other input to the communication device.

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