Multi-Tech Systems MT5634ZBA - Manual (Page 29)

Chapter 4 - AT Commands, S-Registers, Result Codes
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MultiModemDID User Guide
Command: +PMHR= n Modem on Hold Initiate
Values: n = 0–13
Default: 0
Description: +PMHR is an action command that causes the modem to
initiate MOH with the central site modem. It returns the
following values to indicate what has been negotiated. Valid
only if MOH is enabled and the modem is off-hook or in data
mode. Otherwise,
ERROR will be returned.
+PMHR=0 Deny MOH request
+PMHR=1 Grant MOH request with 10 second timeout
+PMHR=2 Grant MOH request with 20 second timeout
+PMHR=3 Grant MOH request with 30 second timeout
+PMHR=4 Grant MOH request with 40 second timeout
+PMHR=5 Grant MOH request with 1 minute timeout
+PMHR=6 Grant MOH request with 2 minute timeout
+PMHR=7 Grant MOH request with 3 minute timeout
+PMHR=8 Grant MOH request with 4 minute timeout
+PMHR=9 Grant MOH request with 6 minute timeout
+PMHR=10 Grant MOH request with 8 minute timeout
+PMHR=11 Grant MOH request with 12 minute timeout
+PMHR=12 Grant MOH request with 16 minute timeout
+PMHR=13 Grant MOH request with indefinite timeout
+PMHR=?
Displays the allowed values
+PMHR? Displays the current value
Command: +PMHT= n Modem on Hold Timer
Values: n = 0–13
Default: 0
Description: Determines if the modem will accept a V.92 Modem on Hold
(MOH) request and will set the MoH timeout.
+PMHT=0 Deny MOH request
+PMHT=1 Grant MOH request with 10 second timeout
+PMHT=2 Grant MOH request with 20 second timeout
+PMHT=3 Grant MOH request with 30 second timeout
+PMHT=4 Grant MOH request with 40 second timeout
+PMHT=5 Grant MOH request with 1 minute timeout
+PMHT=6 Grant MOH request with 2 minute timeout
+PMHT=7 Grant MOH request with 3 minute timeout
+PMHT=8 Grant MOH request with 4 minute timeout
+PMHT=9 Grant MOH request with 6 minute timeout
+PMHT=10 Grant MOH request with 8 minute timeout
+PMHT=11 Grant MOH request with 12 minute timeout
+PMHT=12 Grant MOH request with 16 minute timeout
+PMHT=13 Grant MOH request with indefinite timeout
+PMHT=? Displays the allowed values
+PMHT? Displays the current value