78
Customer Service & Assistance
SX790/795 ISDN / IM-Nord EN / A31008-N415-R201-1-SM19 / appendix.fm / 18.08.2010
V
e
rsion 4.1, 21
.11.2007
Questions and answers
If you have any queries about the use of your
telephone, visit our website at
www.gigaset.com/service
for assistance 24/7.
The table below contains a list of common
problems and possible solutions.
The display is blank.
1. The handset is not switched on.
¥
Press and
hold
the end call key
a
.
2. The battery is empty.
¥
Charge the battery or replace it
(
The display shows "Not possible".
ISDN jack may not be plugged in.
¥
Plug in the ISDN jack.
The message appears when you try to activate
Eco Mode+
:
A handset is registered to the base that does not
support
Eco Mode+
.
Not all menu items are displayed.
The menu display is restricted (
standard mode
).
¥
expert mode
•
"
No Base
"
flashes in the display
.
1. The handset is outside the range of the base.
¥
Move the handset closer to the base.
2. The base's range is reduced because
Eco Mode is activated.
¥
Deactivate Eco Mode (
reduce the distance between the handset
and the base.
3. The base is not switched on.
¥
Check the base power adapter (
"
Please register handset
" flashes in the dis-
play.
Handset has not been registered with the base or
has been de-registered.
¥
Register the handset (
Handset does not ring.
1. The ringtone is switched off.
¥
Activate the ringtone (
2. Call divert set for "All Calls".
¥
Deactivate call divert (
3. The phone only rings if the phone number
has been transferred.
¥
Activate the ringtone for unknown calls
(
4. MSN is not assigned to internal subscriber or
is incorrect.
¥
Specify receive MSN (
The handset does not ring as set.
The MSN is assigned a different ringtone.
¥
Set the ringtone melody for MSN on the
handset (
Handset does not ring after setting up the
ISDN phone number (MSN).
The area prefix has been stored with the MSN.
¥
Save MSN without area code.
Some of the ISDN functions do not work as
specified.
ISDN functions are not enabled.
¥
Check with your network provider.
You cannot hear a ringtone/dialling tone from
the fixed line network.
ISDN cable may be faulty.
¥
Replace ISDN cable.
Error tone sounds after system PIN prompt.
You have entered the wrong system PIN.
¥
Reset the system PIN to 0000 (
Forgotten system PIN.
¥
Reset the system PIN to 0000 (
The other party cannot hear you.
You have pressed the mute button
h
.
The handset is "muted".
¥
Unmute the microphone (
The number of the caller is not displayed
despite CLIP being set.
Calling Line Identification is not enabled.
¥
The caller
should ask the network provider to
enable Calling Line Identification (CLI).
Refer to the notes on calling line display