A Basic IVR Control Package for SIP Chris Boulton, Tim Melanchuk, Scott McGlashan draft-boulton-ivr-control-package-05 IETF 70 Vancouver, Canada

3 December 2007IETF 70 - Vancouver, Canada2 Overview First version released in December 2005 –Version 05 released November 2007 Control package providing basic IVR functionality –Play prompts, collect DTMF input, record input –Out of scope: VoiceXML, ASR, TTS, fax, media transformations Some remaining issues to be addressed

3 December 2007IETF 70 - Vancouver, Canada3 Basic IVR Control Package 1/2 CONTROL messages: – REPORT messages: – (or in 200 response) – notifications

3 December 2007IETF 70 - Vancouver, Canada4 Basic IVR Control Package 2/2 Play announcement dialog: –Prompt list (mandatory) –Iteration/duration, fetch and VCR properties Prompt and collect dialog: –Prompt list (optional) –DTMF, bargein, timeout and seek properties Prompt and record dialog: –Prompt list (optional) –Duration, timeout and VAD properties

3 December 2007IETF 70 - Vancouver, Canada5 Remaining Issues 1/2 [REQ-MCP-28] Add ‘type’ attribute to identify type of dialog –Allows external dialog to be used via ‘src’ attribute Re-structure XML with container elements –Allow property values to be validated in XML (cf. ) Re-factor prompt list and properties into single, element –Same prompts element shared by all containers –Check: we do want promptandcollect and promptandrecord to have same control over prompts as playannouncements? element –Stream manipulation out of scope?

3 December 2007IETF 70 - Vancouver, Canada6 Remaining Issues 2/2 Subscription to other dialog notification events –DTMF, disconnect, etc Scope of media support –Basic video play/record in scope? Custom DTMF grammar format support –SRGS, H.248.1, KPML, etc Support for tone generation/detection? Variable/multi-language support Check [REQ-MCP-30] interpretation: “ The AS should be able to instruct the MS to record a short participant stream and play it back. This is not a recording requirement.”

3 December 2007IETF 70 - Vancouver, Canada7 Proposal: Basic IVR as MediaCtrl WG draft Some implementation experience Satisfies WG IVR requirements and IVR design team requirements –IVR Design team: Adnan Saleem, Roni Even, Diego B, Lorenzo Miniero Compatible with other proposed packages (non-WG) –VoiceXML IVR (draft-boulton-ivr-vxml-control-package-03) –Conference control (draft-boulton-conference-control- package-03) ID editors will actively revise document following WG input

3 December 2007IETF 70 - Vancouver, Canada8 Examples Simple use case: 1.IVR dialog to record participant name 2.Add participant to conference 3.IVR dialog to announce participant to conference Simplifications: –AS-MS control channel has been established (and SYNCHed) with support for msc-ivr-basic/1.0 and msc-conf- audio/1.0 –Conference already created with conf-id ‘conf1’ –Participant connection-id ‘p1’ is shorthand for

3 December 2007IETF 70 - Vancouver, Canada9 IVR dialog to record participants name 1/4 AS > MS SCFW transaction1 CONTROL Control-Package: msc-ivr-basic/1.0 Content-Length: 92

3 December 2007IETF 70 - Vancouver, Canada10 IVR dialog to record participants name 2/4 AS < MS SCFW transaction1 202 AS < MS CFW transaction1 REPORT Seq: 1 Status: pending Timeout: 10 AS > MS SCFW transaction1 200 Seq: 1

3 December 2007IETF 70 - Vancouver, Canada11 IVR dialog to record participants name 3/4 AS < MS CFW transaction1 REPORT Seq: 2 Status: terminate Timeout: 10 Content-Length: 22 AS > MS SCFW transaction1 200 Seq: 2

3 December 2007IETF 70 - Vancouver, Canada12 IVR dialog to record participants name 4/4 AS < MS CFW transaction1 REPORT Status: Notify Content-Length: 92 AS > MS SCFW transaction1 200

3 December 2007IETF 70 - Vancouver, Canada13 Add participant to conference 1/1 AS > MS SCFW transaction2 CONTROL Control-Package: msc-conf-audio/1.0 Content-Length: 42 AS < MS SCFW transaction2 200 Content-Length: 22

3 December 2007IETF 70 - Vancouver, Canada14 IVR dialog to announce participant to conference 1/4 AS > MS SCFW transaction3 CONTROL Control-Package: msc-ivr-basic/1.0 Content-Length: 94 <item name="prompts“ value="

3 December 2007IETF 70 - Vancouver, Canada15 IVR dialog to announce participant to conference 2/4 AS < MS SCFW transaction3 202 AS < MS CFW transaction3 REPORT Seq: 1 Status: pending Timeout: 10 AS > MS SCFW transaction3 200 Seq: 1

3 December 2007IETF 70 - Vancouver, Canada16 IVR dialog to announce participant to conference 3/4 AS < MS CFW transaction3 REPORT Seq: 2 Status: terminate Timeout: 10 Content-Length: 22 AS > MS SCFW transaction3 200 Seq: 2

3 December 2007IETF 70 - Vancouver, Canada17 IVR dialog to announce participant to conference 4/4 AS < MS CFW transaction3 REPORT Status: Notify Content-Length: 92 AS > MS SCFW transaction3 200