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ITU-T Study Group 11 - Signalling requirements, protocols and test specifications

Executive summary of the WP4/11 meeting (Sophia Antipolis, France, 24 March 2016)

A Working Party 4/11 (Conformance and Interoperability (C&I) testing) meeting was held in Sophia Antipolis, France in the afternoon of 24 March 2016 at the ETSI headquarters and was attended by 19 delegates from 7 countries. It was preceded by rapporteurs meetings of Questions 2, 10, 11 and 15/11 as well as ETSI TC INT “Core Network and Interoperability Testing” meeting. Along with face-to-face meetings, most sessions from various Questions or joint Questions meetings were supported by remote participation capabilities.

1     Approved and Consented Recommendations (ITU-T A.8)
The following table shows the ‘Consented’ draft Recommendations.

#Question WP/11Draft new/revised Rec. No.TitleFinal TD PLENA.5 justification
110/114/11Q.3932.4IMS/NGN performance benchmark - Part 4: Testing of the performance design objectivesTD 40 (WP4/11) equal to TD1155 (GEN/11)TD 39 (WP4/11) equal to TD1156 (GEN/11)
211/114/11Q.4015.1 v.1Interworking between the IP Multimedia core network subsystem and circuit switched networks; Conformance Testing; Part 1: PICSTD 18 (WP4/11) equal to TD1179 (GEN/11)TD 37 (WP4/11) equal to TD1160 (GEN/11)
311/114/11Q.4015.2 v.1Interworking between the IP Multimedia core network subsystem and circuit switched networks; Conformance testing; Part 2: TSS&TPTD 19 (WP4/11) equal to TD1178 (GEN/11)TD 38 (WP4/11) equal to TD1159 (GEN/11)

2     Supplements, Handbooks, Technical Papers, Guidelines and Corrigenda
2.1  Supplements
No Supplements were approved at this meeting.

2.2  Guidelines
No Guidelines were approved at this meeting.

2.3  Handbooks
No Handbooks were approved at this meeting.

2.4  Technical Papers
No Technical Papers were approved at this meeting.

2.5  Corrigenda
No Corrigenda were approved at this meeting.

3     SG11 restructuring in view of WTSA-16
The updated texts for the Questions under WP4/11 were discussed among participants. The WP4/11 chairman will submit related proposals to the special session on restructuring planned in April 2016.

4     Other Conformance and Interoperability (C&I)-related outcomes

4.1  Internet speed quality measurement:
Draft Recommendation Q.3960 (ex. Q.FW_Int_sp_test) "Framework of Internet speed measurements for the fixed and mobile networks", is under AAP comment resolution. This framework targets internet speed measurement from an end-users perspective. Q15/11 meeting was mainly devoted to discuss the comments received during the AAP Last Call and how to address them. The joint meeting with ETSI TC INT was instrumental to make progress on the updated draft Recommendation which will be discussed with SG11 comments submitters electronically. SG11 will continue developments in this area. A draft Recommendation on Methodology is also in progress. To be noted that these are a joint work with ETSI TC INT.

4.2  Framework of interconnection of VoLTE/ViLTE-based networks
Following the results of the Workshop on Voice and Video over LTE, which focused on the current issues related to interconnection and interoperability of VoLTE/ViLTE-based networks, SG11 started a new draft Recommendation, "Framework of interconnection of VoLTE/ViLTE-based networks". This Framework aims to provide a gap analysis of the current standards used for interconnection as well as to specify service scenarios for interconnection. ETSI TC INT is also working with ITU-T on this issue. The draft Recommendation was updated during the previous Rapporteur meeting of Question 2/11. The updated draft is to be found in TD 1107 (GEN/11).
Question 2/11 also decided to send two outgoing liaison statements on this topic as follows: 

#Q (s)ForToTitleReference
12

Action
Comments

ITU-T SG2,
ETSI NTECH,
ETSI TC INT
LS/o on Revision of existing Recommendation ITU-T Q.30xx_VoLTE_Interconnection_FW "Framework of interconnection of VoLTE/ViLTE-based networks"TD 1113 (GEN/11)
22Comments3GPP, ETSI NTECHLS/o on revision of existing Recommendation ITU-T Q.1912.5 "Interworking between Session Initiation Protocol (SIP) and Bearer Independent Call Control protocol or ISDN User Part" TD 1112 (GEN/11)

 4.3     Standardization work plan for SIP-IMS
The following table shows the list of agreed outgoing liaison statements.
SG11 advanced and updated the standardization work plan for SIP-IMS, to be found in TD 036 (WP 4/11) equal to TD 1161 (GEN/11). It includes standards of requirements and relevant test specifications of basic call and some supplementary services, which are applied to fixed networks. SG11 collaborate with ETSI TC INT on this subject.

5     Outgoing Liaison Statements
The following table shows the list of agreed outgoing liaison statements.

#WPQ (s)ForToTitleReference
14/1111CommentsSG16Draft new Recommendation on "SIP signalling between the IP Multimedia Subsystem (IMS) and SIP enabled devices for real-time fax over IP" (Q.4016v.1_FAX_req and tests).TD 44 (WP4/11)
equal to TD1158 (GEN/11)

 6     Approved new work items
The following table shows the list of agreed new work items.

No.QWork item (Draft Recs)StatusTitleEditorTimingRef.
1Q11/11Q.4008.1 v.1_SI_MCID_Net_User_TS_Part1NewMalicious Communication Identification (MCID) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 1: Protocol Implementation Conformance Statement (PICS)Martin Brand
martin.brand@A1telekom.at
07-2016TD 20 (WP4/11) equal to TD1177 (GEN/11)
2Q11/11Q.4008.2 v.1_SI_MCID_Net_TS_Part2NewMalicious Communication Identification (MCID) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 2: Test Suite Structure and Test Purposes (TSS&TP), network sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 21 (WP4/11) equal to TD1176 (GEN/11)
3Q11/11Q.4008.3 v.1_SI_MCID_User_TS_Part3NewMalicious Communication Identification (MCID) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 3: Test Suite Structure and Test Purposes (TSS&TP), user sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 22 (WP4/11) equal to TD1175 (GEN/11)
4Q11/11Q.4009.1 v.1_SI_CCNR_Net_TS_Part1NewCompletion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 1: Protocol Implementation Conformance Statement (PICS)Martin Brand
martin.brand@A1telekom.at
07-2016TD 26 (WP4/11) equal to TD1171 (GEN/11)
5Q11/11Q.4009.2 v.1_SI_CCNR_Net_TS_Part2NewCompletion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 2: Test Suite Structure and Test Purposes (TSS&TP)Martin Brand
martin.brand@A1telekom.at
07-2016TD 27 (WP4/11) equal to TD1170 (GEN/11)
6Q11/11Q.4010.1 v.1_SI_MWI_Net_TS_Part1NewMessage Waiting Indication (MWI) using IP Multimedia (IM) Core Network (CN) subsystem; Part 1: Protocol Implementation Conformance Statement (PICS)Martin Brand
martin.brand@A1telekom.at
07-2016TD 23 (WP4/11) equal to TD1174 (GEN/11)
7Q11/11Q.4010.2 v.1_SI_MWI_Net_TS_Part2NewMessage Waiting Indication (MWI) using IP Multimedia (IM) Core Network (CN) subsystem; Part 2: Test Suite Structure and Test Purposes (TSS&TP), network sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 24 (WP4/11) equal to TD1173 (GEN/11)
8Q11/11Q.4010.3 v.1_SI_MWI_User_TS_Part3NewMessage Waiting Indication (MWI) using IP Multimedia (IM) Core Network (CN) subsystem; Part 3: Test Suite Structure and Test Purposes (TSS&TP), user sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 25 (WP4/11) equal to TD1172 (GEN/11)
9Q11/11Q.4011.1 v.1_SI_CUG_Net_TS_Part1NewClosed User Group (CUG) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 1: Protocol Implementation Conformance Statement (PICS)Martin Brand
martin.brand@A1telekom.at
07-2016TD 28 (WP4/11) equal to TD1169 (GEN/11)
10Q11/11Q.4011.2 v.1_SI_CUG_Net_TS_Part2NewClosed User Group (CUG) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 2: Test Suite Structure and Test Purposes (TSS&TP), network sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 29 (WP4/11) equal to TD1168 (GEN/11)
11Q11/11Q.4011.3 v.1_SI_CUG_User_TS_Part3NewClosed User Group (CUG) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 3: Test Suite Structure and Test Purposes (TSS&TP), user sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 30 (WP4/11) equal to TD1167 (GEN/11)
12Q11/11Q.4012.1 v.1_SI_ACR_Net_TS_Part1NewAnonymous Communication Rejection (ACR) and Communication Barring (CB) using IP Multimedia (IM) Core Network (CN) subsystem 3GPP Release 10; Conformance Testing Specification Part 1: Protocol Implementation Conformance Statement (PICS)Martin Brand
martin.brand@A1telekom.at
07-2016TD 31 (WP4/11) equal to TD1166 (GEN/11)
13Q11/11Q.4012.2 v.1_SI_ACR_Net_TS_Part2NewAnonymous Communication Rejection (ACR) and Communication Barring (CB) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 2: Test Suite Structure and Test Purposes (TSS&TP), network sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 32 (WP4/11) equal to TD1165 (GEN/11)
14Q11/11Q.4012.3 v.1_SI_ACR_User_TS_Part3NewAnonymous Communication Rejection (ACR) and Communication Barring (CB) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance Test Specification; Part 2: Test Suite Structure and Test Purposes (TSS&TP), user sideMartin Brand
martin.brand@A1telekom.at
07-2016TD 33 (WP4/11) equal to TD1164 (GEN/11)
15Q11/11Q.1912.5 D-revRevisedInterworking between session initiation protocol (SIP) and bearer independent call control protocol (BICC) or ISDN user part (ISUP): Test suite structure and test purposes (TSS&TP) for profile CMartin Brand
martin.brand@A1telekom.at
07-2016TD 35 (WP4/11) equal to TD1162 (GEN/11)

7     Future meetings and next Study Group 11 meeting
The next SG11 meeting is scheduled in Geneva, 27 June-6 July 2016.