Address Function Unit Remarks
680553
Tone attenuation value difference
between high frequency tone and low
frequency tone in DTMF signals
-dBm x 0.5
SP2-103-021 (parameter
20).
The setting must be less than
ā5dBm, and should not
exceed the setting at
680552h above.
See Note 5.
680554
PSTN: DTMF tone attenuation level after
dialling
-N x 0.5 ā3.5
dBm
SP2-103-022 (parameter
21). See Note 5.
680555
ISDN: DTMF tone attenuation level after
dialling
-dBm x 0.5 See Note 5
680556 Not used - Do not change the settings.
680557
Time between 68054Dh (NCU
parameter 14) and 68054Eh (NCU
parameter 15)
1 ms
This parameter takes effect
when the country code is set
to France.
680558 Not used - Do not change the setting.
680559 Grounding time (ground start mode) 20 ms
The Gs relay is closed for this
interval.
68055A Break time (flash start mode) 1 ms
The OHDI relay is open for
this interval.
68055B International dial access code (High)
BCD
For a code of 100:
68055B - F1
68055C - 00
68055C International dial access code (Low)
68055D PSTN access pause time 20 ms
This time is waited for each
pause input after the PSTN
access code. If this address
contains FF[H], the pause
time stored in address
68054F is used.
Do not set a number more
than 7 in the UK.
4. Service Tables
100