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 <[email protected]> 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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