Airlink AML001 - Manual (Page 59)

PCI Modem Card User's Manual
58
+PMH=<value>—Modem On Hold Enable
Use this command to enable or disable modem on hold. Note, that the
+PMH command does not effect the parameters of the +PMHT command.
The +PMH command only enables or disables modem on hold. The
+PMHT command configures the modem to deny a modem on hold request
or grant a modem on hold request with the selected hold time.
+PMH=0 Enables modem on hold (default).
+PMH=1 Disables modem on hold.
+PMHF—Modem On Hold Hook Flash
Use this command to generate a hook flash during modem on hold operations.
The command causes the modem to go on-hook for a period of time set by
S29. Then the modem returns to the off-hook state for at least 1.5 s.
+PMHR—Initiate Modem On Hold
Use this command to initiate a modem on hold request. Once the local
modem receives this request from the user or controlling application, the soft
modem requests that the remote modem go on hold. The remote modem
either denies the request or grants the request. If the request is granted, the
remote modem initialized the modem on hold timer and informs the local
modem what the length of the hold duration is. If the request is denied, the
local modem generates an ERROR result code and hangs up the line.
+PMHT=<value>—Modem On Hold Timer
Use this command to configure the soft modem to grant or reject a modem
on hold request. This command configures the modem so it can respond to a
modem on hold request. The command must be executed prior to reception
of a modem on hold request. If a modem on hold request is made prior to
execution of the +PMHT command, by default, the modem on hold request is
denied.
This command also sets the modem on hold timer. The modem on hold timer
sets the amount of time the modem will remain on hold waiting for the
requesting modem to return to the line. If the timer expires, the soft modem
will hang up the call.
+PMHT=0 Deny modem on hold request (default).
+PMHT=1 Grant modem on hold request with a 10 s time-out.
+PMHT=2 Grant modem on hold request with a 20 s time-out.
+PMHT=3 Grant modem on hold request with a 30 s time-out.
+PMHT=4 Grant modem on hold request with a 40 s time-out.
+PMHT=5 Grant modem on hold request with a 1 min. time-out.