Apparatus for auto dialing telephone numbers and DTMF tones in a

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

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Details

379354, 379355, H04Q 732

Patent

active

055617050

ABSTRACT:
A radio telephone which communicates via cellular telephone networks and by direct connection to a PSTN. The radio telephone includes a random access memory for storing a character string comprising dialing digits defining a calling number and DTMF digits representing signalling tones for accessing information to called equipment. The character string includes a delimiting character for separating dialed digits and DTMF digits. In a dialing sequence, the cellular radio will dial numbers defined by the dial digits and send the remaining characters as DTMF tones to connected telephone.

REFERENCES:
patent: Re34034 (1992-08-01), O'Sullivan
patent: 4697281 (1987-09-01), O'Sullivan
patent: 4837800 (1989-06-01), Freeburg et al.
patent: 4964156 (1990-10-01), Blair
patent: 4972457 (1990-11-01), O'Sullivan
patent: 4980910 (1990-12-01), Oba et al.
patent: 5127041 (1992-06-01), O'Sullivan
patent: 5257397 (1993-10-01), Barzegar et al.
patent: 5263078 (1993-11-01), Takahashi et al.
patent: 5276729 (1994-01-01), Higuchi et al.
patent: 5282238 (1994-01-01), Berland

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