Troubleshooting - TIPTEL 160 Bedienungsanleitung

Troubleshooting

If you have difficulties on your phone's operation, the suggestions below
should solve the problems:
Problem
No display when going off-
hook.
Display too weak or dark.
Display shows wrong year, but
date and time is OK.
MWI lamp is on all the time.
Phone does not ring.
No sound.
e
Phone does not ring in PABX.
n
g
Buzzing or other interference
on loudspeaker.
Phone receives calls but can
not make calls.
Incorrect or no connection
when dialling from PABX.
No call number displayed
when a call is received
Appendix
Possible cause
No contact with telephone
socket.
Contrast set incorrectly.
Network operator or PABX sends
out date and time but no year
information.
Wrong setting of MWI-switch.
Wrong telephone line polarity.
No contact with telephone
socket. Ring tone set to silent.
No ringing signal assigned to the
extension.
Interference from cordless
telephone, monitor etc.
Dial mode is wrong.
The prefix for the public network
has not been entered.
Network operator or PABX does
not support the function or
function is not authorised.
The caller has suppressed his
call number or has a secret
number.
The call comes from a public
telephone.
The called is made via a
telephone network that does not
support transferring call
numbers.
22
Remedy/Recommendation
Check all cables and plugs. If
necessary try another plug.
Set contrast.
Set year manually. There is
no protocoll to send the year
as well. This is not a fault.
Change MWI-switch from
PR1 to PR2 or vice versa.
Check all cables and plugs. If
necessary try another plug.
Set ring tone volume.
Check PABX programming.
Chang installation location.
Change to appropriate dial
mode.
Enter prefix.
Check with network operator
or PABX as to whether
function is supported or
needs to be authorised.