Pollock, Vande Sande & Priddy
Apparatus for auto dialing telephone numbers and DTMF tones in a personal communication device
 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. 
International Business Machines Corporation
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Peter R. David J. Julie F. David J. James R.
Eastwood Rasmussen Goodwin Allard Lewis