ISO_IEC_23915_2005E.pdf

Reference numberISO/IEC 23915:2005(E)ISO/IEC 2005 INTERNATIONAL STANDARD ISO/IEC23915First edition2005-11-01 Information technology Telecommunications and information exchange between systems Corporate Telecommunication Networks Signalling Interworking between QSIG and SIP Call Diversion Technologies de linformation Tlcommunications et change dinformation entre systmes Rseaux de tlcommunications dentreprise Interaction de signalisation entre QSIG et SIP Dviation dappel ISO/IEC 23915:2005(E)PDF disclaimer This PDF file may contain embedded typefaces.In accordance with Adobes licensing policy,this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing.In downloading this file,parties accept therein the responsibility of not infringing Adobes licensing policy.The ISO Central Secretariat accepts no liability in this area.Adobe is a trademark of Adobe Systems Incorporated.Details of the software products used to create this PDF file can be found in the General Info relative to the file;the PDF-creation parameters were optimized for printing.Every care has been taken to ensure that the file is suitable for use by ISO member bodies.In the unlikely event that a problem relating to it is found,please inform the Central Secretariat at the address given below.ISO/IEC 2005 All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel.+41 22 749 01 11 Fax +41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2005 All rights reserved ISO/IEC 23915:2005(E)ISO/IEC 2005 All rights reserved iiiContentsPageForeword.vIntroduction.vi1 Scope.12 Normative references.13 Terms and definitions.23.1 External definitions.23.2 Other definitions.33.2.1 Call diversion.33.2.2 Call forwarding busy(CFB).33.2.3 Call forwarding no reply(CFNR).33.2.4 Call forwarding unconditional(CFU).33.2.5 Corporate telecommunication Network(CN).33.2.6 Entity A.33.2.7 Entity B.33.2.8 Entity C.33.2.9 Gateway.33.2.10 IP network.33.2.11 Leg A.33.2.12 Leg B.33.2.13 Leg C.43.2.14 Private Integrated Services Network(PISN).43.2.15 Private Integrated services Network eXchange(PINX).43.2.16 Rerouting entity.43.2.17 User A.43.2.18 User B.43.2.19 User C.44 Abbreviations and acronyms.45 Background and architecture for SIP-QSIG interworking.56 Call diversion.57 Call diversion in QSIG.68 Call diversion in SIP.79 Diversion interworking.79.1 Scenarios for diversion interworking.79.2 Mapping of numbers,names and URIs.89.3 Derivation of QSIG diversion reasons.89.3.1 Scenario A1.99.3.2 Scenario B1.99.3.3 Scenario C2.99.4 Derivation of SIP response codes(scenarios A2 and C1).99.5 Mapping the QSIG diversion counter.109.6 Privacy considerations.109.7 Interworking for scenario A1.109.7.1 Transmitting a SIP INVITE request.109.7.2 Receipt of a SIP 1xx or 2xx response.119.7.3 Receipt of a SIP 4xx,5xx or 6xx response.119.8 Interworking for scenario A2.119.8.1 Receipt of a SIP INVITE request.12ISO/IEC 23915:2005(E)iv ISO/IEC 2005 All rights reserved 9.8.2 Receipt of a QSIG divertingLegInformation1 invoke APDU.129.8.3 Receipt of a QSIG divertingLegInformation3 invoke APDU.129.8.4 Transmitting a SIP response in which History-Info is allowed.129.9 Interworking for scenario B1.139.9.1 Receipt of a SIP 3xx response.139.9.2 Receipt of a QSIG DISCONNECT or FACILITY message containing a callRerouteing return result APDU.149.9.3 Receipt of a QSIG FACILITY message containing a callRerouteing return error APDU.149.9.4 Receipt of a QSIG FACILITY message containing a cfnrDivertedLegFailed invoke APDU.149.10 Interworking for scenario B2.159.10.1 Receipt of a QSIG FACILITY message containing a CallRerouteing invoke APDU.159.11 Interworking for scenario C1.159.11.1 Receipt of a QSIG SETUP message containing a divertingLegInformation2 invoke APDU.159.11.2 Transmitting a QSIG CONNECT message.169.12 Interworking for scenario C2.169.12.1 Transmitting a QSIG SETUP message.169.12.2 Receipt of a QSIG message containing a divertingLegInformation3 invoke APDU.179.12.3 Sending History-Info in a response.1710 Example message sequences.1710.1 Scenario A1.1810.1.1 Successful call history information in 200 response.1810.1.2 Successful call history information in provisional response.1910.1.3 Failed call.2010.2 Scenario A2.2110.2.1 Successful call CFU or CFB.2110.2.2 Successful call CFNR.2210.3 Scenario B1.2310.3.1 Successful diversion CFU or CFB.2310.3.2 Successful diversion CFNR.2410.3.3 Failure callRerouting.err received.2510.3.4 Failure No answer following CFNR.2610.4 Scenario B2.2710.5 Scenario C1.2810.6 Scenario C2.2910.7 Scenario A1 followed by B1.3010.8 Sce