Confirmed test break - the test case must be changed as per my recommendation
to be valid. Thanks once again for your input Petr.

-------- Original Message --------
Subject: Re: CCXML: question on assertion for 7_3 #427
Date: Fri, 18 Mar 2011 15:50:34 +0100
From: Petr Kuba <>
To: Chris Davis <>

Hi Chris and Paolo,

Your explanation sounds correct to me. The reason why OptimTalk passes 
this test successfully is that we ignore dtmfclamp setting at this moment.


On 16.3.2011 17:43, Chris Davis wrote:
> Hello www-voice,
> In assertion #427 the caller is required to hit a DTMF digit to make a
> VoiceXML dialog
> terminate its <transfer> tag.
> The problem is that I cannot see from the 7_3.txml how the DTMF is
> supposed to make it
> to the VoiceXML dialog.
> The caller is switched full duplex to a conference as part of the
> transitions. The <join> for this does not have the dtmfclamp attribute
> set to false, so by
> default his DTMF won't make it to other conference mixers.
> The VoiceXML dialog is receiving signal from the conference, not the
> caller. Because the
> DTMF is clamped from the caller in <transition event="conference.joined"
> state="ASSERTION_NMBR_427">
> the VoiceXML will never receive signal.
> I can make our integration pass the assertion only if I change the
> caller's <join> to specify noclamping
> via:
> <join id1="ConnectionID" id2="ConferenceID" duplex="'full'"
> dtmfclamp="false"/>
> as part of the <transition event="conference.joined"
> state="ASSERTION_NMBR_427">.
> Does the test need changing or am I missing something?
> Regards,
> Chris

   Petr Kuba, CTO
   OptimSys, s.r.o
   GSM: +420 724 141 558
   Fax: +420 541 143 066