System information

158 LINGO TECHNICIAN’S GUIDE
Call Progress Options Worksheet
The following options affect how the voice
messaging system interprets tones used for
call progress and hang up supervision.
Option name Option number Your setting
Delay before learning busy tone 572
Delay before learning dial tone 570
Delay before learning disconnect tone 573
Delay before learning do-not-disturb tone 574
Delay before learning ring back tone 571
Fax CNG cycles 492
Fax CNG frequency 1 480
Fax CNG frequency 1 deviation 481
Fax CNG frequency 2 482
Fax CNG frequency 2 deviation 483
Fax CNG time-off 1 486
Fax CNG time-off 1 deviation 487
Fax CNG time-off 2 490
Fax CNG time-off 2 deviation 491
Fax CNG time-on 1 484