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AT Commands
AT command formats
5.375 x 8.375 ver 2.4.0
+PMH Command
This command enables or disables the Modem On Hold
feature. You can also use this command to display the current
Modem on Hold configuration, and to display the supported
+PMH command parameter values.
+PMH=<value>
Valid <value> parameter values are as follows:
Result Codes:
+PMH?
This command displays the current +PMH command
configuration.
+PMH=?
This command displays the supported +PMH <value>
parameter values.
+VCID Command
This command enables or disables caller ID. You can also use
this command to display the current caller ID configuration,
and to display the supported +VCID command parameter
values.
0 Enables Modem On Hold. This is the default.
1 Disables Modem on Hold.
OK <value> = 0,1
ERROR Otherwise