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3.10
TIZIANO 56 MEMORY
Modem AT Command Set
3.2.
VOICE AT COMMANDS
AT#BDR Select Baud Rate (No Speed Sensing)
l
Select baud rate specified by n parameter
n=0..48 baud rate=n*2400 bps
AT#CLS Select DATA-FAX/VOICE/AUDIO
l
#CLS=0
Select Data mode
#CLS=1
Select Fax mode
#CLS=8
Select VOICE/AUDIOMODE
AT#VBT
Beep Tone Timer
Defines the beep tone timer
n=0..40 (0..4 seconds)
l
n=10
AT#VLS
Select VOICE LINE
Selects Microphone (MIC), Speakerphone (SPK) and Headset for the
voice functions
l
#VLS=0
Data-Fax mode, no device enabled
#VLS=2
Speakers enabled (messages listening)
#VLS=3
Microphone enabled (messages recording)
#VLS=6
Speaker/Microphone enabled in Speakerphone mode
#VLS=7
MUTE mode (microphone disabled in Speakerphone mode)
AT#VRX VOICE receive
Enables the messages recording (This command is valid only when
modem is in voice command mode)
AT#VSP
Silence detection period
Defines the silence detection timer. After that time the DTE stops the
recording
n=0..255 (0..25.5 seconds)
l
n=55
AT#VSR Select the SAMPLING RATE
Selects the ADPCM/PCM sampling rate
l
#VSR=7200
Selects 7200Hz
#VSR=11025
Selects 11025KHz