ISO/IEC TECHNICAL REPORT TR 22767 First edition 2005-08-15 Information technology - Telecommunications and information exchange between systems Using CSTA for SIP phone user agents (uaCSTA) Technologies de I'information - Télécommunications et échange d'information entre systemes - Utilisation de CsTA pour agents d'utilisateurs de telephone de SIP (uaCsTA) Reference number ISO/IEC TR 22767:2005(E) IEC Tso Copyright International Organization for Standardization @ISO/IEC2005 ted without license from IHS Not for Resale ISO/IEC TR 22767:2005(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's 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 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/IEC2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's 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 [email protected] Web www.iso.org Published in Switzerland CoyrghematinalganzationStandardizatio @ ISO/IEC 2005 - All rights reserved nitted without licensefromIHS Not for Resale ISO/IEC TR 22767:2005(E) Contents Page Foreword. vii Introduction . vili 1 Scope 2 Purpose 3 Normative references .2 4 Terminology ..... 4.1 General terms. 4.2 SIP/CSTA Terminology Mappings.. .3 5 Example Environments for uacsTA 5.1 Controlling and Observing a SIP Phone 5.2 Controlling and Observing a SIP Phone by Augmenting B2BUA Functionality 5.3 Controlling a PBX Phone .. 6 Example User Agent Configurations .... 6.1 Single Line Phone UA .... 6.2 Multi Line Phone UA... 6.3 Bridged Appearance Phone and other Advanced UA Configurations.. 7 SIP Transport Mechanism for CsTA Messages... 7.1 Establishing a CsTA Application Session ... 7.2 TransportingCsTAServiceRequestsandResponses 7.3 Starting a Monitor and Transporting CsTA Events.... 8 uaCSTA Profiles.. .9 8.1 Minimal uaCSTA Call Control Profile.... 10 8.1.1 .10 8.1.2 8.2 Basic uaCsTA Call Control Profile.... 10 8.2.1 Services ...... 8.2.2 8.3 Advanced uacsTA Call Control Profile.... .11 8.3.1 Services ..... 8.3.2 Events... 12 8.4 Conferencing uaCsTA Call Control Feature Profile..... .12 8.4.1 Services.... 12 8.4.2 Events.. 13 8.5 Basic uacsTA Device Feature Profile . .13 8.5.1 8.5.2 Events.. .13 8.6 Speaker uacsTA Device Feature Profile.... 13 8.6.1 .13 8.6.2 Events. .13 9 CsTA Calls and Connections ... 13 9.1 CsTA Connection State Model.. 14 9.2 Connection State Transitions for CsTA Calls .14 9.2.1 Incoming Call 9.2.2 Outgoing Call .. .15 10 Call Control.. 10.1 Alternate Call .15 10.1.1 Service Request. .16 ili Copyrght International Organizanrstandardization All rightsreserved Not for Resale ISO/IEC TR 22767:2005(E) 10.1.2 10.1.3 Negative Service Response 16 10.2 Answer Call.... 17 10.2.1 17 10.2.2 Positive Service Response 10.2.3 Negative Service Response .. 18 10.3 Clear Connection .... 19 10.3.1 10.3.2 Positive Service Response .. 19 10.3.3 Negative Service Response .. 10.4 .Consu.ltation Call....... 20 10.4.1 Service Request .... 10.4.2 Positive Service Response 10.4.3 Negative Service Response .... 10.5 Deflect Call... 22 10.5.1 Service Request. 22 10.5.2 Positive Service Response 22 10.5.3 Negative Service Response .. 23 10.6 10.6.1 Service Request .. 24 10.6.2 Positive Service Response ... 24 10.6.3 24 10.