Media Server Control Markup Language (MSCML) and Protocol
RFC 4722
Document | Type |
RFC - Informational
(November 2006; No errata)
Obsoleted by RFC 5022
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Last updated | 2015-10-14 | ||
Stream | ISE | ||
Formats | plain text html pdf htmlized bibtex | ||
Stream | ISE state | (None) | |
Consensus Boilerplate | Unknown | ||
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 4722 (Informational) | |
Telechat date | |||
Responsible AD | Cullen Jennings | ||
Send notices to | mankin@psg.com |
Network Working Group J. Van Dyke Request for Comments: 4722 E. Burger, Ed. Category: Informational Cantata Technology, Inc. A. Spitzer Pingtel Corporation November 2006 Media Server Control Markup Language (MSCML) and Protocol Status of This Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The IETF Trust (2006). Abstract Media Server Control Markup Language (MSCML) is a markup language used in conjunction with SIP to provide advanced conferencing and interactive voice response (IVR) functions. MSCML presents an application-level control model, as opposed to device-level control models. One use of this protocol is for communications between a conference focus and mixer in the IETF SIP Conferencing Framework. Van Dyke, et al. Informational [Page 1] RFC 4722 MSCML November 2006 Table of Contents 1. Introduction ....................................................4 1.1. Conventions Used in This Document ..........................5 2. MSCML Approach ..................................................5 3. Use of SIP Request Methods ......................................6 4. MSCML Design ....................................................8 4.1. Transaction Model ..........................................8 4.2. XML Usage ..................................................9 4.2.1. MSCML Time Values ...................................9 5. Advanced Conferencing ..........................................10 5.1. Conference Model ..........................................10 5.2. Configure Conference Request <configure_conference> .......11 5.3. Configure Leg Request <configure_leg> .....................13 5.4. Terminating a Conference ..................................14 5.5. Conference Manipulation ...................................15 5.6. Video Conferencing ........................................16 5.7. Conference Events .........................................17 5.8. Conferencing with Personalized Mixes ......................18 5.8.1. MSCML Elements and Attributes for Personalized Mixes .................................19 5.8.2. Example Usage of Personalized Mixes ................20 6. Interactive Voice Response (IVR) ...............................23 6.1. Specifying Prompt Content .................................24 6.1.1. Use of the Prompt Element ..........................24 6.2. Multimedia Processing for IVR .............................30 6.3. Playing Announcements <play> ..............................31 6.4. Prompt and Collect <playcollect> ..........................32 6.4.1. Control of Digit Buffering and Barge-In ............33 6.4.2. Mapping DTMF Keys to Special Functions .............33 6.4.3. Collection Timers ..................................35 6.4.4. Logging Caller DTMF Input ..........................36 6.4.5. Specifying DTMF Grammars ...........................36 6.4.6. Playcollect Response ...............................37 6.4.7. Playcollect Example ................................38 6.5. Prompt and Record <playrecord> ............................38 6.5.1. Prompt Phase .......................................38 6.5.2. Record Phase .......................................39 6.5.3. Playrecord Example .................................41 6.6. Stop Request <stop> .......................................42 7. Call Leg Events ................................................43 7.1. Keypress Events ...........................................43 7.1.1. Keypress Subscription Examples .....................45 7.1.2. Keypress Notification Examples .....................45 7.2. Signal Events .............................................46 7.2.1. Signal Event Examples ..............................47 8. Managing Content <managecontent> ...............................48 8.1. Managecontent Example .....................................50 Van Dyke, et al. Informational [Page 2] RFC 4722 MSCML November 2006 9. Fax Processing .................................................51 9.1. Recording a Fax <faxrecord> ...............................51Show full document text