User`s manual

Command Reference Manual
1199 6-5
6.2.2 Voice Commands
6.2.2.1 +VIP - Voice Initialize All Parameters
This command causes the modem to initialize all voice parameters to their default values.
Syntax
+VIP
Result Code
OK
ERROR If not in Voice Mode.
6.2.2.2 +VRX - Start Modem Receive (Record)
This command causes the modem to start the voice reception process.
Syntax
+VRX
Result Codes
OK
ERROR If not in Voice Mode.