[SR-Users] which is better for B2BUA

[Gerry | Rigatta]

Hi, 

Some comments on Yate. 

Yate works well as a B2BUA. It is very performant and stable. It can bypass media dynamically. 

The main beauty of Yate is how it processes calls internally. Yate represents calls internally as messages with parameters (caller, callee, codecs …) . While the call passes from the incoming to the outgoing call leg the message parameters can be manipulated by different yate modules. In turn, message parameters can trigger yate modules for some actions, e.g. start a sip call.

The Yate internal messaging allows to build with little code complex call logic. E.g a mysql query result can be used directly for routing. E,g, you can build a switch just with a couple of mysql procedures.

Cheers

Gerry



> On 27 Jul 2021, at 11:35, Karsten Horsmann <khorsmann at gmail.com> wrote:
> 
> Hello,
> 
> just for the records:
> 
> You can also bypass media with FreeSWITCH if you want. The overall handling of many parallel calls is still not so high like in SEMS.
> 
> https://freeswitch.org/confluence/display/FREESWITCH/Proxy+Media <https://freeswitch.org/confluence/display/FREESWITCH/Proxy+Media>
> This is also possible on a per Call base.
> 
> And you can use different profiles as well in FreeSWITCH. 
> 
> Asterisk Experts will have more knowledge what is possible there, and maybe someone told us whats going on with Yate.
> 
> Kind regards
> Karsten
> 
> Am Di., 13. Juli 2021 um 10:11 Uhr schrieb Mojtaba <mespio at gmail.com <mailto:mespio at gmail.com>>:
> 
> Hello there,
> According to ,https://lists.kamailio.org/pipermail/sr-users/2016-March/092058.html <https://lists.kamailio.org/pipermail/sr-users/2016-March/092058.html>, which talked about  B2BUA (just signalling) in Kamailio.
> As i have experienced working with SEMS, freeswitch and Kamailio while using B2BUA feature, Each of them have pros and cons:
> 1- The sems is a light sip engine server with several applications (like as sbc) for using b2bua. All incoming and outgoing calls could go to sems server for doing b2bua like this:
> 
> Incoming<=======>Kamailio<========>Sems<========>Kamailio<=======>outgoing
> 
> 2- In sems, you could disable rtp realying. It forces sems to work just as b2bua without anchoring RTP
> 3- Easy to use different active profiles in routing.
> 
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