6 Identification of parallel transactions in UUS

24.0873GPPRelease 17Stage 3TSUser-to-User Signalling (UUS) supplementary service

If more than one parallel CC transaction is active, UUS operations are directed to the desired transaction identified by the pertaining transaction identifier.

Annex A (normative):
Cause values used in UUS supplementary service

Cause value

Situation

Information on usage

#29 facility rejected

To served mobile subscriber side, call clearing

If the remote party rejects the activation request of a UUS service, the Cause value #29 is sent to the served subscriber.

#47 resource unavailable, unspecified

To served mobile subscriber side, call clearing

If the network rejects the activation request of a UUS service, the Cause value #47 or #50 is sent to the served subscriber.

#50 requested facility not subscribed

To served mobile subscriber side, call clearing

If the network rejects the activation request of a UUS service, the Cause value #47 or #50 is sent to the served subscriber.

#69 requested facility not implemented

To served mobile subscriber side, call clearing

If the remote party does not respond with an explicit UUS service acceptance or rejection to the activation request, the Cause value #69 is sent to the served subscriber.

#31 normal, unspecified

To remote mobile subscriber side, call clearing

If the remote party does not respond with an explicit UUS service acceptance or rejection, the Cause value #31 is sent to him.

#43 access information discarded

To served mobile subscriber side, flow control

The Cause value #43 is sent within CONGESTION CONTROL message to the served subscriber.

Annex B (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

Update to Rel-17 version (MCC)

17.0.0