EN 300 485 - V1.3.1
Final draft
ETSI EN 300 485 V1.3.1 (2001-01)
European Standard (Telecommunications series)
Integrated Services Digital Network (ISDN);
Definition and usage of cause and location in
Digital Subscriber Signalling System No. one (DSS1) and
Signalling System No.7 (SS7) ISDN User Part (ISUP)
[ITU-T Recommendation Q.850 (05/98) with addendum modified]
2
Final draft ETSI EN 300 485 V1.3.1 (2001-01)
Reference
REN/SPAN-01096
Keywords
ISDN, DSS1, ISUP, SS7
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The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2001.
All rights reserved.
ETSI
3
Final draft ETSI EN 300 485 V1.3.1 (2001-01)
Intellectual Property Rights
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Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Services and
Protocols for Advanced Networks (SPAN), and is now submitted for the Vote phase of the ETSI standards Two-step
Approval Procedure.
Proposed national transposition dates
Date of latest announcement of this EN (doa):
3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e):
6 months after doa
Date of withdrawal of any conflicting National Standard (dow):
6 months after doa
Endorsement notice
The elements of ITU-T Recommendation Q.850 (05/98) and its addendum apply, with the following modifications.
ETSI
4
Final draft ETSI EN 300 485 V1.3.1 (2001-01)
Global modifications to ITU-T Recommendation Q.850
(05/98), and its addendum
Insert the following clause (normative references) at the start of clause 7:
2
Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
• A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same
number.
[1]
ETSI EN 300 356-1: "Integrated Services Digital Network (ISDN); Signalling System No.7;
ISDN User Part (ISUP) version 3 for the international interface; Part 1: Basic services
[ITU-T Recommendations Q.761 to Q.764 (1997), modified]".
[2]
ETSI EN 300 356-2: "Integrated Services Digital Network (ISDN); Signalling System No.7;
ISDN User Part (ISUP) version 3 for the international interface; Part 2: ISDN supplementary
services [ITU-T Recommendation Q.730 (1997), modified]".
[3]
ETSI EN 300 403-1 (1999): "Integrated Services Digital Network (ISDN); Digital Subscriber
Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call
control; Part 1: Protocol specification [ITU-T Recommendation Q.931 (1993), modified]".
Throughout the text of ITU-T Recommendation Q.850 (05/98), and its addendum
Replace references as shown in table 1.
Table 1
Reference in ITU-T Recommendation Q.850,
Modified reference
and its addendum
ITU-T Recommendation Q.730
ITU-T Recommendation Q.730 as modified by EN 300 356-2 [2]
ITU-T Recommendation Q.763
ITU-T Recommendation Q.763 as modified by EN 300 356-1 [1]
ITU-T Recommendation Q.931
ITU-T Recommendation Q.931 as modified by EN 300 403-1 [3]
Page 4, table 1/Q.850
Add the following cause value to the table:
Cause
Class Value
001
1000
Definition
No.
24
Diagnostics
Call rejected due to ACR
supplementary service
Application
DSS1/ISUP
ETSI
Reference Location Remarks
XXX
RLN
5
Final draft ETSI EN 300 485 V1.3.1 (2001-01)
Page 17, subclause 2.2.7.1.17
Add the following subclause to clause 2.2.7.1:
2.2.7.1.17bis: Cause No.24 – Call rejected due to ACR supplementary service.
This cause indicates that the call has been rejected due to anonymous call reject supplementary service (ACR) at the
destination.
Page 22
Add the following clause:
ETSI DSS1 cause values
The coding of octets 3 and 5 is the same as defined for ITU-T standardized cause values.
Coding standard (octet 3, bits 7 and 6) shall be coded "10" (national standard).
It is recommended that in allocating national cause values (octet 4), the classification used for the ITU-T coding
standard is used also for the national standard. In coding the specific cause values, the principle shown below should be
followed.
Class
Value
765
4321
XXX
0XXX
national standard
XXX
1XXX
ETSI standard
ETSI
6
Final draft ETSI EN 300 485 V1.3.1 (2001-01)
History
Document history
Edition 1
January 1996
Publication as ETS 300 485
V1.2.3
October 1999
Publication
V1.3.1
September 2000
Public Enquiry
PE 20010112:
2000-09-13 to 2001-01-12
V1.3.1
January 2001
Vote
V 20010330:
2001-01-29 to 2001-03-30
ETSI
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