User Hears Dial Tone But Cannot Dial Out; User Cannot Program Alternate Long-Distance Or Other Computer-Based Services On Outside Auto Dial Buttons; User Lifts Handset And Does Not Hear Dial Tone; When Trying To Access Centrex, Pbx, Or Custom Calling Features, Dialing # And A 2-Digit Feature Code Does Not Work - Lucent Technologies MERLIN 820 Service And Maintenance Manual

Control unit accessories
Extra Alerts, 18
Auxiliary Power Unit, 19, CIB 2866
Control units
Model 206, 6 — 7
Model 410, 6 — 7
Model 820, 8 — 9
D
Dialing symptoms (trouble on one telephone)
off-premises telephone has no dial tone
and cannot receive calls, A2-6
user cannot program alternate long-distance
or other computer-based services on Outside
Auto Dial buttons, A2-3
user hears dial tone but cannot dial out, A2-3
user lifts handset and does not hear
dial tone, A2-4
user with off-premises telephone hears
intercom dial tone but cannot place an
outside call, A2-5
when trying to access Centrex, PBX, or
custom calling features, dialing # and
a 2-digit feature code does not work, A2-5
Dialing symptoms (trouble on several telephones)
dial tone is not present on a particular
line but is heard on other lines, B2-3
dial tone is present on all lines, but
users cannot dial out on all lines, B2-4
E
Entire system down (trouble on several telephones)
entire system is down, B7-3
green Power light on the control unit is
off, but there is no power failure, B7-4
Extra alerts,
Extra-Alert Control Switch, 18, CIB 2893
Extra-Alert/2-Line Power Failure Transfer
cartridge, 12
Line-Powered Extra Alert Ringer and Part, CIB 2924
F
Facsimile machine, 17
Feature packages, 10, CIB 2869
3