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IS-101 Voice AT Commands
Your modem implements a AT command set that allows a DTE to record
and playback voice messages. This product is compatible with EIA/TIA IS-
101 voice command set. Supported commands and descriptions listed in
following tables:
Table 5. IS-101 Voice AT Commands
Command Function Default Range
+FCLASS=8 Voice mode selection 00-2, 8, 80
+FLO=n Flow Control Select
n = 0 disables flow control
n = 1 enables XON/XOFF
n = 2 enables CCITT V.24 CTS/RTS
10-2
+VBT=m Buffer threshold setting 192, 320 192, 320
+VTS=m DTMF and Tone generation None Call
+VCID=n Caller ID selection
n = 0 Disables Caller ID
n = 1 Enables Caller ID formatted
n = 2 Enables Caller ID unformatted
*0 0-2
#VCSD=n Voice command mode silence detection
n =0 disabled
n = 1 enabled
00,1
+VDR=m Distinctive Ring selection
(can be disabled by +VEM command) 0,0 0-255, 0-255
+VEM=m Event reporting and masking ‘C’
BB860980
BFE63883
BB863EE0
Call
+VGM=n Speakerphone microphone gain 128 121-131
+VGS=n Speakerphone speaker gain 128 121-131
+VGR=n Receive gain selection 128 121-131
+VGT=n Volume selection 128 121-131
+VIP=n Initialize parameter none
+VIT=n DTE/DCE inactivity timer 0 0-255
+VLS=n Relay or playback control 00-16
+VNH=n Automatic hang-up control 0 0-255
+VRA=n Ringback-goes-away timer 50 0-50