Fw: [DMSP] A couple of updates

Chris Cross <xcross@us.ibm.com> Tue, 07 February 2006 15:45 UTC

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Subject: Fw: [DMSP] A couple of updates
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----- Forwarded by Chris Cross/West Palm Beach/IBM on 02/07/2006 10:43 AM
-----
                                                                           
             Andrew Wahbe                                                  
             <awahbe@voicegeni                                             
             e.com>                                                     To 
                                       Jonathan Engelsma                   
             12/14/2005 03:33          <jonathan.engelsma@motorola.com>    
             PM                                                         cc 
                                       James.Ferrans@motorola.com,         
                                       David.Pearce@motorola.com, Chris    
                                       Cross/West Palm Beach/IBM@IBMUS,    
                                       Les Wilson/West Palm                
                                       Beach/IBM@IBMUS, Gregg              
                                       Daggett/Watson/IBM@IBMUS, Nathaniel 
                                       S Borenstein/Concord/IBM@IBMUS,     
                                       daniel_zucker@access-us-inc.com,    
                                       yam@access.co.jp, jax@opera.no,     
                                       rfz@opera.com,                      
                                       paolo.baggia@loquendo.com           
                                                                   Subject 
                                       [DMSP] A couple of updates          
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           





A couple things::

First, a new Internet-Draft called "SIP Interface to VoiceXML Media
Services" is available at
http://www.ietf.org/internet-drafts/draft-burke-vxml-00.txt

This specification standardises the SIP interface to entities running
VoiceXML (e.g. a media server). It provides the lower-level protocol
bindings to support several use cases, e.g.:
    o IVR service node
    o IP Multimedia Subsystem (IMS) or any SIP Application Server oriented
architecture

    o CCXML<->VoiceXML
    o Voice modality component in a multimodal system

It is not, however, geared specifically towards multimodal, and lacks many
of the "fine-grained" messages required for tight synchronization of
VoiceXML with XHTML as required by X+V. Basically, it lets you initiate and
pass info into a VoiceXML session and get data returned back from you. It
may be worth considering building on top of this work using SIP INFO and/or
NOTIFY however.

Second, I put a request for requirements to the W3C MMI working group. A
new version of the MMI Architecture spec will be ready in Feb. as
discussed. The group is also considering putting together more formal
requirements for a synchronization protocol in the same timeframe.

Andrew

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