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NCU PARAMETERS
28 August, 2000
4-64
Address
Function
Unit
Remarks
480404
PSTN dial tone frequency upper
limit (high byte)
480405
PSTN dial tone frequency upper
limit (low byte)
Hz (BCD)
If both addresses
contain FF(F), tone
detection is disabled.
480406
PSTN dial tone frequency lower
limit (high byte)
Hz (BCD)
480407
PSTN dial tone frequency lower
limit (low byte)
480408
PSTN dial tone detection time
480409
PSTN dial tone reset time (LOW)
48040A
PSTN dial tone reset time (HIGH)
48040B
PSTN dial tone continuous tone
time
48040C
PSTN dial tone permissible drop
time
48040D
PSTN wait interval (LOW)
48040E
PSTN wait interval (HIGH)
20 ms
If 480408 contains FF,
the machine pauses for
the pause time (address
48040D / 48040E).
See Note 3 (Italy).
48040F
PSTN ringback tone detection time
20 ms
Detection is disabled if
this contains FF.
480410
PSTN ringback tone off detection
time
20 ms
480411
PSTN detection time for silent
period after ringback tone detected
(LOW)
20 ms
480412
PSTN detection time for silent
period after ringback tone detected
(HIGH)
20 ms
480413
PSTN busy tone frequency upper
limit (high byte)
Hz (BCD)
480414
PSTN busy tone frequency upper
limit (low byte)
If both addresses
contain FF(F), tone
detection is disabled.
480415
PSTN busy tone frequency lower
limit (high byte)
Hz (BCD)
480416
PSTN busy tone frequency lower
limit (low byte)
480417
PABX dial tone frequency upper
limit (high byte)
Hz (BCD)
If both addresses
contain FF(F), tone
detection is disabled.
480418
PABX dial tone frequency upper
limit (low byte)
480419
PABX dial tone frequency lower
limit (high byte)
Hz (BCD)
48041A
PABX dial tone frequency lower
limit (low byte)
48041B
PABX dial tone detection time
20 ms
If 48041B contains FF,
the machine pauses for
the pause time (480420
/ 480421).