© 2019 Burnside Telecom Ltd.
Page 14 of 25
Rev 2.1
1 = And insufficient off hook line current (less than 13.2mA).
2 = And parallel phone active (PSTN less than 20V) when FXO is on hook (default).
3 = And no dial tone detected when off hook.
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*827*n#
Insert prefix on PSTN calls (see PPREFIX):
0 = Do not insert prefix (default).
1 = Insert prefix.
28
*828*n#
Mute audio during PSTN dial:
The audio may be muted to prevent DTMF tones being heard on the telephone
which may affect automatic dial equipment su
ch a “telecare” terminals.
0 = Allow the DTMF dial codes to be heard (default).
1 = Mute the audio.
29
*829*n#
Select length of line from PSTN Central Office to the terminal:
This allows for fine tuning of echo cancellation on the PSTN. The terminal needs to
be restarted after changing this setting.
0 = 300 metres
1 = 1km (default)
2 = 3km
3 = 6km
30
*830*n#
PSTN power saving on battery:
0 = PSTN fully operational on battery (default).
1 = Do not detect incoming calls on PSTN to extend battery standby duration.
2 = Disable FXO circuit to save power under all conditions (restart terminal after
setting this).
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*831*n#
LED dimming control:
0 = LEDs are at maximum brightness (default).
1 = LEDs are automatically dimmed after 30 seconds of inactivity.
CLOCK
(=)
*844*[YYMMDDHHMMSS]#
When command sent by SMS, the clock is set to the time recorded in the SMS
delivery from the mobile network. Note, some networks can automatically provide
time and date, the T400 supports this when available.
CLRCALL
Ends any active call.
CLRFAULT
*851#
Clears any fault state indication.
CLRTEMP
*850#
Resets the maximum and minimum temperature memories to current temperature.
INIT
*889*8# Restarts the terminal (cold boot).
PNUM
(=/?)
*840*n*[phone number]#
Read and write phone numbers.
There are 12 memory locations used to store phone numbers. 10 locations (0 to 9)
are reserved for speed dial where only one digit need be dialled.
Location 10 is reserved for the off-hook autodial.
