Multitech MT5600BA-V92 At Commands Reference Manual page 55

+VIT – Voice Inactivity Timer (DTE/Modem) ........32
+VLS – Analog Source/Destination Selection.......32
+VPR – Select DTE/Modem Interface Rate (Turn
Off Autobaud)....................................................36
+VRA – Ringback Goes Away Timer....................33
+VRN – Ringback Never Appeared Timer............34
+VRX – Start Modem Receive..............................30
+VSD – Silence Detection (Quiet and Silence).....34
+VSM – Compression Method Selection ..............34
+VTD – Beep Tone Duration Timer ......................35
Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F)
+VTS – Send Voice Tone(s).................................30
+VTX – Start Modem Transmit (Playback) ...........31
Voice Configuration Commands
+FCLASS=8 – Select Voice Mode........................28
+FLO – Flow Control ............................................29
+VNH – Automatic Hang-up Control.....................29
Voice Gain Receive (Record Gain) – +VGR ............31
Voice Gain Transmit (Playback Volume) – +VGT ....31
Voice Inactivity Timer (DTE/Modem) – +VIT ............32
Voice Initialize All Parameters – +VIP......................30
Voice Mode Shielded Codes ....................................38
Index
55