Telephony
206
Frequently Asked Questions
Question: One of the telephones is not functioning at all.
Make sure the telephone has been properly connected. Please read the expla-
nations under
Port Assignment, Termination, Cable Length
Check also whether the appropriate port has been configured correctly in the
Configurator
(
Telephony: Ports
menu). For IP system telephones, verify if
PoE is enabled in the
Network
:
LAN
menu. Please pay attention to the notes
about the
Forum Phone 515/525/535: Extensions
Question: It is not possible to make external calls with one of the tele-
phones.
Check whether a user is configured for the telephone. Otherwise the settings
of the Guests user group are valid for the telephone. To standard, this user
group has no external call authorisation.
Make sure the user configured for this telephone belongs to a user group with
external line access (
Configurator
,
User Manager: User groups
menu).
Check also whether the internal call number of this telephone has been
configured for incoming call distribution (
Configurator
,
Telephony: Call
Distribution
menu).
Question: One of the features (e.g. call diversion) on one of the tele-
phones cannot be used even though the feature has been configured in the
Configurator of the Forum 523/524.
Make sure the user configured for this telephone belongs to a user group that
has access to this feature (
Configurator
,
User Manager: User
and
User
groups
menus). Some features cannot be used until the system PIN is
changed.
Question: Nothing is indicated on the display of one of the connected
ISDN telephones.
You have connected the ISDN telephone to an external S
0
port (RJ-45
socket). These ports are intended for connection to the NTBA only. Connect
the telephone to an internal S
0
port (pressure terminal).
Question: Calls can be made but not received with one of the ISDN tele-
phones.
The internal call number that has been configured for this ISDN telephone in
the
Configurator
(
Telephony: Ports: S0
menu) must also be configured as an