4 Calling Name Presentation (CNAP)

24.0963GPPName identification supplementary servicesRelease 17Stage 3TS

4.1 Normal operation

The calling name identity is made up of calling party’s name – up to 80 characters.

The MS shall be given one of the following in the name indicator:

– calling name identity;

– presentation indicator of presentation restricted;

– presentation indicator of name unavailable; or

– calling name identity and presentation restricted (for the case where the CNAP override category is provisioned).

If the network has received a non-zero SS screening indicator from the MS, then calling name information indicated above shall be sent to the MS as defined in figure 1. If the network did not receive a non-zero SS screening indicator form the MS, then calling name information shall not be sent to the MS.

MS Network

SETUP

<——————————————————————————————————-

Facility (Invoke = NotifySS (CNAP, nameIndicator ))

or

MS Network

SETUP

<——————————————————————————————————-

:

:

FACILITY

<——————————————————————————————————-

Facility (Invoke = NotifySS (CNAP, nameIndicator))

Figure 1: Notification by the network to the called mobile subscriber

4.2 Interrogation

Status Check

The mobile subscriber can request the status of the supplementary service and be informed if the service is provided to him/her.

MS Network

REGISTER

——————————————————————————————————->

Facility (Invoke = InterrogateSS (CNAP))

RELEASE COMPLETE

<——————————————————————————————————-

Facility (Return Result = InterrogateSS (SS-Status))

RELEASE COMPLETE

<- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Facility (Return Error (Error))

RELEASE COMPLETE

<- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Facility (Reject (Invoke_problem))

Figure 2: Interrogation of calling name identification presentation

4.3 Activation, deactivation, registration and erasure

Activation, deactivation, registration and erasure of the supplementary service Calling Name presentation (CNAP) are not applicable.

Annex A (informative):
Change history

Change history
Date	Meeting	TDoc	CR	Rev	Cat	Subject/Comment	New version
Apr 1999						Transferred to 3GPP CN1
CN#03						Approved at CN#03	3.0.0
CN#11						Approved at CN#11	4.0.0
CN#16						References updated	4.0.1
CN#16						Rel-5 created after CN#16	5.0.0
CN#26						Rel-6 created after CN#26	6.0.0
CT#36						Upgraded unchanged from Rel-6	7.0.0
CT#42						Upgraded unchanged from Rel-7	8.0.0
2009-12						Update to Rel-9 version (MCC)	9.0.0
2011-03						Update to Rel-10 version (MCC)	10.0.0
2012-09						Update to Rel-11 version (MCC)	11.0.0
2014-09						Update to Rel-12 version (MCC)	12.0.0
2015-12						Update to Rel-13 version (MCC)	13.0.0
2017-03						Update to Rel-14 version (MCC)	14.0.0
2018-06						Update to Rel-15 version (MCC)	15.0.0
2020-07						Update to Rel-16 version (MCC)	16.0.0
2022-03	CT#95e	–	–	–	–	Update to Rel-17 version (MCC)	17.0.0