Generalizing specialized telephone numbers

Details Generalizing specialized telephone numbers Generalizing specialized telephone numbers

1995-12-28

1998-02-17

Matar, Ahmad F.

Telephonic communications

Special services

Abbreviated dialing or direct call

379355, 379 40, 379 45, H04M 342

Patent

active

057199299

ABSTRACT:
A method apparatus for specifying one of a plurality of special telephone numbers in such a way that different special telephone numbers can be specified for the same type of service according to the numbering plan of the area in which a call is being made. A dialing message from a telephone station contains a special number indicator for specifying a particular type of service, such as emergency, or traveler's information, and the indicator is translated in a service switching system into the local number for that service. Advantageously, a user of mobile telephone service, for example, need not learn the local numbers for these services.

REFERENCES:
patent: 5018191 (1991-05-01), Catron et al.
patent: 5272749 (1993-12-01), Masek

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