MT-350 Operation Manual 8
of the other code numbers. If correct, the MT-350 will beep up once in
response. If not, the MT-350 then will beep up four times consecutively
instead.
Default setting =00, to turn off this function.
Note: If it isn’t connecting to PSTN, then the phone won’t dial out
through GSM, in case not setting up this function and not
passing through the checking number of allow-to-dial code.
(8)Sound volume modulation
21 aabb#
aa means vocal volume, which varies from 00-04, 00 is the bottom value and 04 is the
peak one. bb should be externally inputted identical to aa.
Example:
*#**210404#, it means that the vocal volume is set to the maximum value. If
correct, the MT-350 will beep up once in response. And if not, the MT-350
then will beep up four times consecutively instead.
Default setting =04, it means that the maximum vocal volume is set up.
(9)Restore default setting
Format: *#** [Waiting for confirming voice]
990909#,
the only act needed to follow is to reboot machine.
(10)Set up extra dialing local-code to PSTN
Format: *#** [Waiting for confirming voice]
11aaaaa#
aaaaa means the digitals dialed out with extra codes can extend to 12 digitals.
Example:
*#**111805#, it means that if the phone number is dialed out with two
heading digitals of 02-08 through PSTN, it will automatically dial out 1805 in
advance. If correct, the MT-350 will beep up once in response. If not correct,
the MT-350 then will beep up four times consecutively instead.
Default setting: None.
(11)GSM simulated echo-bell-sound function
Format: *#** [Waiting for confirming voice]
