Multiple Call Handling using PJSIP

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Hi Bill ,

Keeping the coding complexity aside , which is the best design 
architecture , having a bridge for each call , or a bridge per core. 
which will achieve a best result using pjsip and pjmedia?
On 3/3/2016 5:59 PM, Bill Gardner wrote:
> Hi Alaa,
>
> I've never tested pjsua with more than about 50 calls but I don't see 
> why it couldn't scale to thousands. If you are using G711 with bridge 
> running at 8kHz then the media processing per call is very light, a 
> single core should be able to handle perhaps 100-200 calls, but I 
> don't know exactly. But if you are using a high def codec you will get 
> far fewer calls. You could create one bridge per core, so for example 
> if using an 8 core server you would create 8 bridges and as calls come 
> in you would assign them to the least loaded bridge. That may be 
> simpler than one bridge (and one media processing thread) per call.
>
> I recommend you code up a single bridge answering system using pjsua, 
> and then load test it to see what kind of performance you get.
>
> Regards,
>
> Bill
>
> On 3/3/2016 3:47 AM, alaa wrote:
>> HI Bill ,
>>
>> i am trying to create a system that should handle thousands of 
>> simultaneous calls. Can pjsua handle such load?
>> How much simultaneous calls can pjsip with pjmedia using a bridge for 
>> each call handle?
>> Thx
>> On 3/2/2016 5:10 PM, Bill Gardner wrote:
>>> Hi Alaa,
>>>
>>> It's pretty easy to code an announcement system using pjsua, and if 
>>> you don't want to use pjsua you can look at the pjsua code as a 
>>> guide. Basically when the call connects you create a wav player 
>>> object and connect it to the incoming call via the bridge. See the 
>>> --auto-play option in pjsua. You would use --null-audio option so 
>>> your server doesn't need an audio device to clock media flow. You 
>>> can use a single conference bridge and use this for all calls. 
>>> However you will then be limited to using a single processor core 
>>> which might be a problem if you want to handle hundreds of 
>>> simultaneous calls. Creating a bridge for each call is more 
>>> complicated but will allow your server to take full advantage of 
>>> multiple cores and hence handle more calls.
>>>
>>> Regards,
>>>
>>> Bill
>>>
>>> On 3/2/2016 8:04 AM, alaa wrote:
>>>> I am trying to create a system that can handle Multiple Calls 
>>>> simultaneously and play announcements to each call.
>>>> I need to use PJSIP and PJMedia (not PJSUA).
>>>> Is there any document or sample code on how to use pjsip and 
>>>> pjmedia with multiple calls , and what design structure i should 
>>>> create ?
>>>> should i create one conference bridge to handle all calls or a one 
>>>> for every calls? should i create one pjmedia endpoint or multiple ?
>>>> //
>>>>
>>>>
>>>>
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>>>>
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>>>
>>>
>>>
>>> _______________________________________________
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>>>
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>>
>>
>>
>> _______________________________________________
>> Visit our blog:http://blog.pjsip.org
>>
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>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
>
>
>
> _______________________________________________
> Visit our blog: http://blog.pjsip.org
>
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