What To Do In The Event Of Malfunctions - AGFEO AS 33 User Manual

4
Annex

What to do in the event of malfunctions

Malfunction
Telephone system
programming
unclear
No dial tone after
lifting the receiver
No internal calls
arrive
No external calls
arrive
Forwarding an
external call
(inquiry) is not
possible
4 - 4
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
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.