Method for automatically composing a telephone dialing string

Details Method for automatically composing a telephone dialing string Method for automatically composing a telephone dialing string

1993-10-01

1995-10-03

Hofsass, Jeffery A.

Telephonic communications

Supervisory or control line signaling

Substation originated

379354, 379356, 379357, 379216, H04M 127

Patent

active

054558581

ABSTRACT:
A method for automatically composing a telephone dialing string for a telecommunication device having a processor, storage, and a connection to an external telephone system, by storing configuration information for a current location of the telecommunication device in fields for local country code and local area code; by storing configuration information for dialing prefixes for a current external telephone system connected to the telecommunication device in fields for a prefix for a local call, prefix for a long distance call, and prefix for an international call; and by storing a desired telephone number in fields for a desired country code, a desired area code, and a desired telephone number. Then, forming a telephone dialing string by the processor comparing like fields of the desired telephone number to the configuration information for a current location to determine the need for international, long distance and local access prefixes followed by non-redundant country code, area code and telephone number information; and sending the telephone dialing string to the external telephone system.

REFERENCES:
patent: 4342882 (1982-08-01), Gravenhorst et al.
patent: 4945557 (1990-07-01), Kaneuchi et al.
patent: 5268959 (1993-12-01), Hong
"Power Book Products User Guide", by Global Village Communication, Inc., Edition 1, (1990-1992), pp. 1-16.

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