Identification elements
81
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
4. 4. 3 Suppressing CLIP / COLP (CLIR / COLR)
If Restrict call identification (CLIR) has been activated in the caller’s user configura-
tion, the information sent along with the CLIP and COLP numbers specifies that they
are not to be displayed to the call’s recipient (CLIR: Calling Line Identification Restric-
tion, COLR: Connected Line Presentation Restriction). In this case the network pro-
vider does not forward the CLIP number to the recipient (the CLIP number may none-
theless be sent to a number of public authorities, such as the police, see also "Display
CLIR", page 92).
The same setting is also used to prevent the name being displayed to the call's recipi-
ent. The suppression of CNIP (Calling Name Identification Presentation) and CONP
(Connected Name Identification Presentation) is called CNIR (Calling Name Identifica-
tion Restriction) and CONR (Connected Name Identification Restriction).
Depending on the network provider it may be necessary to subscribe to CLIR.
For each user CLIR can only be activated permanently or temporarily for one call (see
"Suppression of the call number display", page 454
).
4. 4. 4 CLIP flowcharts for Outgoing Calls
[1] Continues on Fig. 37.
Fig. 35 CLIP of an outgoing call to an external user in the public network
200
624 32 00
032 624 11 11
200
E.164
60
E.164
624 32 00
Users:
Automatic
CLIP
CLIP sent
CLIP No., NPI
and TON from
user
CLIP created
automatically [1]
CLIP
NPI =
TON = Subscriber
Example
no
yes
Conguration: User Trunk groups
CLIP:
NPI: Unknown
TON: Subscriber Unknown
DDI number:
Region:
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