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