Telephoning
General Functions
52
2.2.14 Transmission of Call Numbers
With ISDN there are different features which allow or prevent the transmission of
(external) call numbers between subscribers.
“CLIP” Feature
“CLIP” is an abbreviation for “Calling Line Identification Presentation”. The caller’s
call number (if transmitted) is displayed by means of the corresponding call key. If
this number is also stored in your telephone book, the caller’s name is displayed.
“CLIP no screening” Feature
Using “CLIP no screening” outgoing connections instead of sending the real call
number of the caller, send another call number. Thus, instead of been shown your
number, the subscriber you have called is shown, for example, a service call
number. The feature “CLIP no screening” must be enabled by the network provider
and activated in the system configuration by the system administrator.
“CNIP” Feature
“CNIP” is an abbreviation for “Calling Name Identification Presentation”. In
addition to the call number, the name configured by the caller is also transmitted
and displayed on the corresponding call key, This assumes that the network pro-
vider transmits this information with the connection. . If the caller's number is
listed in the OpenCom 100/OpenCom X300 telephone book, this local entry is dis-
played in preference.
“CLIR” Feature
“CLIR” is an abbreviation for “Calling Line Identification Restriction”. Before dialling
an external telephone number, you can decide from case to case if you wish to
prevent your telephone number from being displayed to the called subscriber. To
do this, select
Suppress number
from one of the MenuCards described in the
next section. If this feature is not provided, your telephone number will always or
never be displayed, depending on the system setting. Consult your system admin-
istrator for more information.
Summary of Contents for OpenPhone 73
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