Transmission Of Call Numbers - Aastra 6771 User Manual

Telephoning General Functions

2.1.16 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.
"COLP" Feature
The abbreviation "COLP" stands for"Connected Line Identification Presentation".
The number of the subscriber you have called is transmitted during the call and
displayed on your call key.
"COLR" Feature
The abbreviation "COLR" stands for "Connected Line Identification Restriction".
The number of the subscriber you have called is not transmitted during the call.
"CNIP" Feature
The abbreviation "CNIP" stands 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 network provider
transmits this information with the connection. If the caller's number is listed in
the OpenCom 1000 telephone book, this local entry is displayed in preference.
"CLIR" Feature
The abbreviation "CLIR" stands 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 sub-
scriber. To do this, select from the "Actions" MenuCard in the
suppress tel.no.
idle state (see page 46) before the call. You need the required authority to be able
to use this feature. Consult your system administrator for more information.
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