Mitel 430 - Displaying Numbers (CLIP) and Names (CNIP)

Identification elements
73
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
4. 2 Displaying Numbers (CLIP) and Names (CNIP)
During both the ringing phase and the call itself the caller’s call number or name (or
both) are shown on the terminal’s display.
• The indication of the caller’s phone number is referred to as CLIP (Calling Line Iden-
tification Presentation).
• The indication of the caller’s name is referred to as CNIP (Calling Name Identifica-
tion Presentation).
Fig. 30 CLIP and CNIP
When the destination user answers the call, the number or name of the destination
user is transmitted and displayed to the caller:
• The indication of the number is referred to as COLP (Connected Line Presentation).
• The indication of the name is referred to as CONP (Connected Name Presentation).
Fig. 31 COLP and CONP
These identification elements allow the use of other features such as logging unan-
swered calls on the destination user’s call log; the destination user can then return the
call by dialling the CLIP number.
These identification elements are available in digital networks and in some analogue
networks. As CNIP and CONP are not supported by the public network, the system
tries to replicate them by searching through the internal phone books for a number that
matches the CLIP or COLP number. If there is a match, the name entered there is dis-
played (see "Replicating the Name Display in the Communication Server", page 77
).
CNIP and CONP are supported in the private network under QSIG. They are both ac-
cepted and do not need to be recreated in the communication server.
The CLIP and COLP numbers also contain the information of the NPI numbering plan
type and the TON Type of Number (see "Numbering Plan Identifiers", page 54
).
The system needs this additional information for a correct number analysis, particularly
as a PINX in a PISN. It is not displayed on the user’s terminal.
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