A - 5
Appendix
What to do in the event of malfunctions
Malfunction
Telephone system
programming unclear
No dial tone after
lifting handset
No internal calls arrive
No external calls
arrive
Forwarding an
external call (inquiry)
is not possible
Distorted speech
connection
Possible causes
Power failure
Terminal defective
Incorrect installation
Do not disturb (special
dial tone)
Diversion to another
telephone (internal/
external) (special dial
tone)
Do not disturb
(special dial tone)
Diversion to another
telephone (internal/
external) (special dial
tone)
ISDN call forwarding is
active
Point-to-point
connection: System
phone number missing
Point-to-multipoint
connection:
- MSN missing
- MSN-internal user
assignment missing
The inquiry key
r
on
the telephone is set
as an earth key
Wrong flash time
S0 bus incorrectly
installed Connection
error
Remedy
Reset the telephone system
Reset the telephone system to the „as-
delivered“ settings and reprogram it
Check mains connection/fuses
Check terminal on another connection
Check connections at the connection
socket and on the telephone system
Turn off do not disturb
Turn off diversion to
Turn off do not disturb
Turn off diversion to
Deactivate ISDN call forwarding
Enter the system phone number
Enter the MSN
Assign the internal user to the
MSN(ringing distribution)
Set the telephone to DTMF and set the
inquiry key to flash
Adjust flash time on the phone or on the
respective port of the PBX.
Connect wire pairs correctly
Summary of Contents for AC 14
Page 1: ...1 Bedienung AC 14 AC 14 WebPhonie AC 16 WebPhonie User Guide ISDN PBX System ...
Page 14: ...I 8 Installation ...
Page 42: ...U 28 User Guide ...
Page 80: ...A 10 Appendix ...
Page 82: ...S 2 Index ...