Method and apparatus for initial country selection in a universa

Details Method and apparatus for initial country selection in a universa Method and apparatus for initial country selection in a universa

1995-09-18

1998-01-27

Pan, Daniel H.

Telephonic communications

Special services

Anonymous party

379 93, 39520012, H04N 132, G06F 1314

Patent

active

057129770

ABSTRACT:
The present invention provides apparatus and method for connecting Data Terminal Equipment (DTE) to communication networks. The present invention provides an adaptable universal modem that can be reconfigured to meet different specifications in different countries, thereby allowing a user to use a single universal modem across different specifications in different countries. The universal modem includes a microcontroller, a programmable data pump, and a programmable DAA. A user reads a particular country code on each country's unique identifier and provides the information to a modem setup program. The modem setup program configures the universal modem according to the country information entered by the user, thereby permanently storing the home country code in modem flash memory. The universal modem of the present invention reverts to a default home configuration upon power-up to meet the requirements of various PTT (Postal Telephone & Telegraph) authorities. The country code can be changed after power-up by entering a country code change command in the modem setup program.

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