11 0B Brazil 29 1D
Turkey 32 20
Portugal 12 0C Greece 33 21
Holland 13 0D Hungary 34 22
Spain 14 0E Czech 35 23
Israel 15 0F Poland 36 24
Address Function Unit Remarks
680501 Line current detection time
20 ms
Line current detection is
disabled.
Line current is not
detected if 680501
contains FF.
680502 Line current wait time
680503 Line current drop detect time
680504
PSTN dial tone frequency upper
limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680505
PSTN dial tone frequency upper
limit (low byte)
680506
PSTN dial tone frequency lower
limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680507
PSTN dial tone frequency lower
limit (low byte)
680508 PSTN dial tone detection time
20 ms
If 680508 contains
FF(H), the machine
pauses for the pause
time (address 68050D /
68050E).
Italy: See Note 2.
680509 PSTN dial tone reset time (LOW)
68050A PSTN dial tone reset time (HIGH)
68050B
PSTN dial tone continuous tone
time