Pmh - modem-on-hold enable, Syntax, Defined values – Comtrol AT Commands User Manual
Page 123: Result codes, Reporting current or selected value, Reporting supported range of parameter values

AT Commands for CX81801/CX06833/CX81300/CX06827 Modems Reference Manual
102184B
Conexant
3-97
+PMH - Modem-on-Hold Enable
This command controls the selection of modem-on-hold in the modem. The action of the
modem in response to modem-on-hold events is determined by the state of this command
as well as the state of a negotiated handshake with a V.92-compliant server in V.92
Mode.
Syntax
+PMH=
Defined Values
Decimal number corresponding to the selected operation.
0
Modem-on-hold enabled in V.92 Mode.
(Default.)
1 Disabled
modem-on-hold.
Result Codes
OK
0 or 1 in V.92 Mode (see the +MS command)
ERROR Otherwise.
Reporting Current or Selected Value
Command: +PMH?
Response: +PMH:
Example:
+PMH: 0
For the default setting.
Reporting Supported Range of Parameter Values
Command: +PMH=?
Response: +PMH: (
Example: +PMH:
(0,1)