21 May, 1999
NCU PARAMETERS
4-43
Service
Tables
Address
Function
Unit
Remarks
81E504
PSTN dial tone frequency upper
limit (high byte)
81E505
PSTN dial tone frequency upper
limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
81E506
PSTN dial tone frequency lower
limit (high byte)
81E507
PSTN dial tone frequency lower
limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
81E508
PSTN dial tone detection time
81E509
PSTN dial tone reset time (low)
81E50A
PSTN dial tone reset time (high)
81E50B
PSTN dial tone continuous tone
time
81E50C
PSTN dial tone permissible drop
time
If 81E508 contains FF(H),
the machine pauses for the
pause time (address
81E50D / 81E50E).
See Note 3 (Italy).
81E50D
PSTN wait interval (low)
81E50E
PSTN wait interval (high)
20 ms
81E50F
PSTN ring-back tone detection time
20 ms
Detection is disabled if this
contains FF(H).
81E510
PSTN ring-back tone off detection
time
20 ms
81E511
PSTN detection time for the silent
period after ring-back tone detected
(low)
20 ms
81E512
PSTN detection time for the silent
period after ring-back tone detected
(high)
20 ms
81E513
PSTN busy tone frequency upper
limit (high byte)
81E514
PSTN busy tone frequency upper
limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
81E515
PSTN busy tone frequency lower
limit (high byte)
81E516
PSTN busy tone frequency lower
limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
81E517
PABX dial tone frequency range
(high byte)
81E518
PABX dial tone frequency range
(low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
81E519
PABX dial tone frequency lower
limit (high byte)
81E51A
PABX dial tone frequency lower
limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
