Well any gateway software that does protocol conversion is going to be more overhead than pure sip.

Something has to do the protocol conversion.

Typically if you want to avoid using asterisk etc. The you can just buy a true media gateway like audio codes which does exclusively that. Usually the hardware solution has better performance

On Oct 11, 2012 9:18 AM, "SamyGo" <govoiper@gmail.com> wrote:
Hello Sir,

With due respect, the only answer for your question  I have is that, I think that the capacity handling of currently popular media servers is less than that of Kamailio. 

I agree that all of current media servers are getting better and stronger but why should Kamailio get bottlenecked by Media-Servers in front of it.

By the way I completely understand the current option of installing Asterisk/FreeSWITCH/Yate and tell them to send calls to Kamailio or anything else. Proudly enough I've done such setups happily before. I just wanted to reduce a hop between kamailio and the PRIs.

Thanks,
Sammy




On Thu, Oct 11, 2012 at 6:04 PM, Olle E. Johansson <oej@edvina.net> wrote:

11 okt 2012 kl. 13:57 skrev SamyGo <govoiper@gmail.com>:

:) "Soon..." But Not Today.  

Not everyone can afford the Gateways. Thanks for the replies. I was hoping maybe someone else be thinking of freeing the kamailio from Asterisks or Freeswitchs when it comes to interconnecting with PSTN.

Why? We have plenty of good media servers out there that can handle those use cases. Few of them handle SIP correctly and include new SIP features like presence in a proper way. Combining them is a good match. 

:-)

/O

Cheers

Sammy


On Oct 11, 2012 4:09 PM, "Neill Wilkinson" <neill.wilkinson@btinternet.com> wrote:

You might consider:


Then put Kamailio in front of that... Simple Gateway PRI -> SIP.

Neill....;o)

Aeonvista Ltd
Opening Up New Ideas


On 11 October 2012 11:43, SamyGo <govoiper@gmail.com> wrote:
Hi David,

Thanks for this useful information.  What I don't like is that if I've couple of Sangoma cards, each supporting 120 channels each,  is using any of this B2BUAs in between the cards and Kamialio and get a limited capacity application in front of Kamailio. !

If there is any driver for kamailio where possibly use media-proxy/rtpproxy for handling the PRI-Channels media and then distribute my calls to media-servers i.e SMES/Asterisk/yate/FS/XYZ
 
PRIs <===>> Driver+Kamailio <=====> Asterisks/FreeSWITCHs

Just want to know if technically any such driver program is doable or not !

Thanks,
Sammy


On Thu, Oct 11, 2012 at 3:31 PM, David J <david@styleflare.com> wrote:

Asterisk yate or free switch.

You need something as a gateway between PRI and sip. Kamailio does not handle this conversion

On Oct 11, 2012 6:24 AM, "SamyGo" <govoiper@gmail.com> wrote:
Hello,

I've a scenario in which I've to deploy a couple Sangoma PRI cards with kamailio. What I wish is that I've some drivers for this purpose and so I don't ned to install FreeSWITCH or Asterisk in between the PRIs and Kamailio. 

Kindly give any feedback on what are the possibilities and options.

Thanks,
Sammy


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