Voice S-Register Summary; Voice Commands; Commands That Change For Voice Mode Support - Multitech MultiModem SocketModem MT9234 Series At Commands Reference Manual

Voice S-Register Summary

Voice mode S-Register changes are outlined below.
S-Register
S0
S7
S10

Voice Commands

The +V Voice enhancements are implemented with AT+V (for Voice) commands, as well as changes to
several existing commands.
In general, the modem does not accept Data mode (+FCLASS=0) commands or Fax mode (+FCLASS=1,
1.0, 2, 2.0, 2.1) commands when in Voice mode (+FCLASS=8).
Commands That Change for Voice Mode
Support
Command:
D
H
M
O
Q
X
Z
&D
+FCLASS=8
+FCLASS=
+FCLASS=?
Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H)
Downloaded from Elcodis.com electronic components distributor
Description
Automatic answer is disallowed in Voice mode.
Wait for Carrier After Dial. Default is 60 seconds. In Voice mode, S7 contains the
maximum amount of time that the modem will wait during Call Origination, all the time
detecting for ring backs, before assuming that the remote station will not go off hook.
Automatic disconnect is disallowed in Voice mode.
Description
Causes the modem to Dial assuming +VLS=2 if +VLS=0 when the ATD command
was entered.
Values greater than 0 disallowed in Voice mode.
Disallowed in Voice mode.
Disallowed in Voice mode.
Disallowed in Voice mode.
Disallowed in Voice mode.
Reset modem.
&D1 is disallowed in Voice mode.
Places the modem in Voice mode.
New values are added for Voice mode.
New values are added for Voice mode.
Chapter 4 – Voice Commands
44