[Asterisk-video] Need some help regarding Asterisk video setup

[aman kumar]

Hi Borja ,

Thanks a lot for your response. I looked into i6net products and I will
download VXI voiceXML browser today . I also checked another product "Video
Coverter" , Do you have any idea , when company is supposed to realase this
tool .

If I get any problem , I will let you know .

Thanks ,
Aman
On Tue, Mar 30, 2010 at 1:01 AM, Borja SIXTO <borja.sixto at i6net.com> wrote:

> Hi Aman,
>
> We had tests to pass video h324m calls with sip audio calls (SIP/RTP alaw)
> and it works fine too.
> You can use a VoIP provider (but without echo cancellation, and without any
> transcoding) or a front end Asterisk to forward video calls (as a
> switch/gateway).
> (We done some modifications in our VXI to convert an Asterisk in a
> transparent call forwarder for the video : Asterisk normaly convert the
> audio in PCM...).
>
> My company uses the Sergio's tools through our Asterisk VoiceXML browser
> and all works fine.
>
> If you use SIP Video Phone, you will probably need to add the transcoder
> because most of the soft phones don't be able to respect the H324m video
> profile (bandwidth limitation and strict h263 video codec).
>
> Regards,
>
>
> Borja from i6net
>
>
> Le 30/03/2010 08:49, Klaus Darilion a écrit :
>
>
>> Am 30.03.2010 02:12, schrieb aman kumar:
>>
>>
>>> Hello ,
>>> I am a beginner user for asterisk and Linux environment .  I need some
>>> help for setup video calls and video streaming with asterisk .I will
>>> appreciate , If you can me some links, white paper , examples or
>>> any kind of help for that .I have downloaded AsteriskNow and installed
>>> in my server. I have following questions , please response.
>>> 1. Is AsteriskNow good for Video calls.
>>>
>>>
>> If you only want to make video calls between SIP phones, then it should
>> be OK.
>>
>> If you also do video streaming to SIP phones, or if you need video
>> telephony also to 3G UMTS video phones, then you need to patch Asterisk
>> and I think then it is better to use a plain Asterisk version.
>>
>>
>>
>>> 2. Do I need any addon / plug in / Hardware for the server  for video
>>> calls .
>>>
>>>
>> For video calls: no, just enable video in sip.conf (search for video in
>> the sample config file)
>>
>> For 3G UMTS video calls: yes. You need ISDN (or SS7) interface cards
>>
>> For streaming (RTSP), recording and playback of video files: yes. You
>> need the applications from
>> https://asteriskvideo.svn.sourceforge.net/svnroot/asteriskvideo/
>>
>>
>>
>>> 3. How can we stream some static video contents through Asterisk.
>>>
>>>
>> For example you can store the video as mp4 file. Then use mp4play() to
>> playback the video to the caller. mp4play() is inlcuded in app_mp4.c
>> (
>> https://asteriskvideo.svn.sourceforge.net/svnroot/asteriskvideo/app_mp4/app_mp4.c
>> )
>>
>>
>>
>>> 4. Do we require any type of media server for contents or streaming
>>> video.
>>>
>>>
>> You have 2 options:
>> 1. video is provided by Asterisk
>>
>> SIP phone<--SIP+RTP-->  Asterisk
>>                             ^  (using mp4play())
>>                             |
>>                          video.mp4
>>
>>
>> 2. video is provided by a streaming server (e.g. darwin) and Asterisk
>> (app_rtsp.c) bridges between the SIP call and the video stream.
>>
>> SIP phone<--SIP+RTP-->  Asterisk<---RTSP------->  Darwin
>>                         (using rtsp())               ^
>>                                                      |
>>                                                  video.mp4
>>
>>
>>
>>
>>> 5. What are the basic steps for integration Video with asterisk server.
>>>
>>>
>> Hint: only try the enxt step if the previous works
>>
>> 1. Install a "vanilla" (plain) Asterisk
>>
>> 2. Start with SIP-to-SIP video calls. By 2 webcams and use XLite to make
>> video calls. (enable video in sip.conf)
>>
>> 3. Try also with the Echo() application. Then the caller should see
>> itself.
>>
>> 4. Add app_mp4.c to Asterisk and reinstall Asterisk
>>
>> 5. Use mp4save() to record a video call from a SIP phone. Use mpeg4ip
>> tools to analyze the recorded video (audio, video and hint tracks).
>>
>> 6. Use mp4play() to playback the recorded video to the SIP phone
>>
>> 7. use ffmpeg and mpeg4ip tools to create a video with hint tracks. Then
>> playback this video to the caller using mp4play.
>>
>> regards
>> klaus
>>
>>
>>
>>
>>> I have asked too many questions so that you can come to know , what is
>>> my Goal. Please guide me .
>>> Thanks ,
>>> Aman
>>>
>>>
>>>
>>
>>
>
> --
> Borja Sixto, Research&  Innovation - http://www.i6net.com
> Office: +34 911877477 | Gtalk: bsixto | Skype: borja.sixto
>
>
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