[Asterisk-video] h324m and SIP

[Klaus Darilion]

Sergio Garcia Murillo schrieb:
> Hi Klaus,
> 
> Video from eyebean to 3G is never going to work directly, the bandwith it send is just too high, 
> you should use app_transcoder to fix it.

With rev172 even SIP->3G video works fine.

How to use the app_transcoder? Can you give me an example which should work?

> I had no problems with amr conversion at all, is 3g to sip audio working fine?

Yes. 3g-->SIP audio is working fine.

> Could you try stopping video to see if audio get's better?

No difference.

> In the multiplexing h245 and audio should have priority over video.

Can I see somewhere in the log files if some buffer gets to big and 
frames get  dropped?

thanks
klaus

> 
> BR
> Sergio
> 
> ----- Original Message -----
> From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at]
> To: asterisk-video at lists.digium.com
> Sent: Fri, 11 Jan 2008 10:22:51 +0100
> Subject: [spam]Re: [Asterisk-video] h324m and SIP
> 
> Thanks for all your input: Meanwhile I have manged to run Asterisk 
> 1.4.17 and rev207.
> 
> I test the h324m application bridging to SIP.
> 
> My experiences:
> 
> 3G-->h324m_gw---SIP+GSM--->Cisco-gw--->ISDN: audio is fine
> 3G-->h324m_gw---SIP+GSM--->eyebeam: audio SIP->3G has drop outs
> 3G-->h324m_gw---SIP+G711-->eyebeam: audio SIP->3G has many drop outs
> 
> Here I suspect maybe some issues with bad conversion to AMR inside 
> Asterisk. What results do you have?
> 
> Video:
> Video from 3G to SIP is working fine (eyebeam).
> Video from SIP to 3G is bad - most of the picture is just black. Here I 
> suspect maybe a problem if the bandwidth of the video received from SIP 
> is to big to fit into the H223 channel.
> 
> Sergio - how is multiplexing between Audio and Video handled - das Audio 
> have fixed bandwidth or my too big video bandwidth also disturb audio?
> 
> Are there somewhere bandwidth statistics in log files from h324m_gw or 
> libh324m?
> 
> thanks
> klaus
> 
> Klaus Darilion schrieb:
>> Hi!
>>
>> Last time I tested h324m_gw with SIP clients audio and video worked fine 
>> in both directions (xlite+nokia 6630). This was done with Asterisk 1.4.8 
>> and fontventa rev163.
>>
>> Now I tried with Asterisk 1.4.17 and fontventa rev207 and audio does not 
>> work and video works only from 3G to SIP.
>>
>> Using Asterisk 1.4.17 with fontventa rev163 makes video working fine 
>> again, but Audio is still broken.
>>
>> Thus since Asterisk 1.4.8 something has changed that makes AMR 
>> conversion broken and since fontventa rev. 163 something has changed 
>> that makes video from SIP->3G broken.
>>
>> Now, I want to find out why current versions do not work. Thus, I would 
>> be happy if you could tell me which version you use successfully to 
>> track down the problem.
>>
>> thanks
>> Klaus
>>
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