[Asterisk-video] Problem with video playback triggered by DTMF

[PHILIPPE ROUDEL]

commonly called "video portal" feature .
 

________________________________

De : asterisk-video-bounces at lists.digium.com [mailto:asterisk-video-bounces at lists.digium.com] De la part de Antoine Fressancourt
Envoyé : mardi 16 janvier 2007 11:04
À : Development discussion of video media support in Asterisk
Objet : [Asterisk-video] Problem with video playback triggered by DTMF


Hello list,

I have a rather tricky video specific issue, and although it doesn't have much to do with development I hope it is not off topic.

I try to perform video injection during a call using Asterisk. That is, when two parties A and B are calling each other, I want to be able to play a video clip to one of the parties when the other play a given DTMF. In order to do that, I use the application map in the features.conf configuration file. I put in line an abstract of my configuration files :

-- sip.conf --

[8160]
type=friend
username=8160
secret=******
host=dynamic
context=default
disallow=all 
allow=ulaw
allow=h263
dtmfmode=info
canreinvite=yes
insecure=very

-- features.conf --

[applicationmap]
test => 9,peer,Playback,hello-world ; hello-world is a sound clip
testVideo => 8,peer,Playback,/tmp/test ; /tmp/test is a video clip encoded with GStreamer 

-- extensions.conf --

exten => 8160,1,Set(DYNAMIC_FEATURES=test#testVideo)
exten => 8160,n,Dial(SIP/8160)

When I call an extension which only performs a Playback of the video clip, the clip is played correctly in the soft phone. 

I tried two configurations :
- When canreinvite is set to "no", When I push the "8" button, i.e. when I emit a DTMF holding "8" as a data, the sound of the video is played to the other party but the video doesn't show up. 
- When canreinvite is set to "yes", although the DTMF method is set to info and I receive the INFO message holding "8", Asterisk doesn't trigger any Playback action.

Do you have any clue or experience with such a problem ? 

Thank you in advance for your answers,

Antoine

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