Voice +V Commands Detail; Fclass=8; Select Voice Mode; Vnh Automatic Hang-Up Control - Multitech MultiModem SocketModem MT9234 Series At Commands Reference Manual

Voice +V Commands Detail

+FCLASS=8

Description:
+VNH
Description:
Syntax:
Values:
Reports:
Result Codes:
+VIP
Description:
Syntax:
Values:
+VRX
Description:
Syntax:
Values:
Result Codes:
Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H)
Downloaded from Elcodis.com electronic components distributor

Select Voice Mode

The +FCLASS=8 command selects voice mode.
Automatic Hang-Up Control
Enables or disables automatic hang-up.
AT+VNH=<hook>
<hook>
+VNH=0 Enables automatic hang-ups as in non-Voice modes (such as
hanging up the phone when the modem does not detect a data
carrier within a given time interval).
+VNH=1 Disables automatic hang-ups in non-Voice modes.
+VNH=2 Disables automatic hang-ups in non-Voice modes. The modem
performs only a "logical" hang up (i.e., returns the OK result code).
+VNH? Displays current or selected values.
+VNH=? Displays list of supported values.
OK if command accepted.
ERROR if parameter is out of range.
Initialize Voice Parameters
The +VIP command causes the modem to initialize all Voice parameters to the
factory default settings.
AT+VIP
None
Enter Voice Receive State
Start voice reception.
AT+VRX
None
OK
ERROR if not in voice mode.
Chapter 4 – Voice Commands
45