Description of the Phone Message Record and Playback Keys in the Windows 98/95 Registry (250650)

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To support the telephone answering machine functions of recording incoming phone messages and playing the messages back through the handset when there is no active call, you must use your modem information (.inf) file to place values in the following different registry keys:

Phone Message Record and Playback Registry Keys

Registry key                Value

AbortPlay                   Command that stops playing audio data immediately (does not play the rest of the audio buffer contents). This command is not used for modems that are not using a serial wave device.

CloseHandset                Command that resets the modem to class 0.

HandsetSetPlayFormat        Command that sets the modem handset playback format.

HandsetSetRecordFormat      Command that sets the modem handset recording format.

LineSetPlayFormat           Command that sets the modem line playback format.

LineSetRecordFormat         Command that sets the modem line recording format.

OpenHandset                 Command that puts modem in a mode that enables audio to be played back through the handset when there is no active call.	

StartPlay                   Command that starts playing audio (wave files) out of the modem. If a serial wave driver is being used, a bit in the VoiceProfile key controls whether the baud is set prior to the StartPlay command or after the StartPlay command.

StartRecord                 Command that starts recording audio (wave files) from the modem. If a serial wave driver is being used, a bit in the VoiceProfile key controls whether the baud is set prior to the StartRecord command or after the StartRecord command.

StopPlay                    Command that can be used to reset the modem baud rate after an AbortPlay or TerminatePlay command. A bit in the VoiceProfile key indicates whether Unimodem/V has to reset the UART's baud.

StopRecord                  Command that stops recording audio (wave files) from the modem. If a serial wave driver is being used, a bit in the VoiceProfile key controls whether the baud is set prior to the StopRecord command or after the StopRecord command.

TerminateRecord             Command that causes the modem to finish recording its local buffer and stop recording audio data. This command is not used for modems that are not using a serial wave device.

TerminatePlay               Command that causes the modem to finish playing the contents of its local buffer and stop playing audio data after that.  This command is not used for modems that are not using a serial wave device.