Hello,

kamailio itslef it is a sip signaling server with a proxy architecture, if you look for a sbc like a b2bua, it isn't. If you look for a sbc like edge proxy/load balancer, then it is.

Also, kamailio doesn't have any built it interaction with other sbcs, but it has lot of tools that can be used for that (e.g., http client, sip signaling client, embedded interpreters ...).

Cheers,
Daniel

On 04/12/14 11:24, Ludovic DURAND wrote:

Hi,

The purpose of projet is to implement a VoIP secure solution with Kamailio as core IMS network.
In this project VoIP call will be established with zRTP. SBC is transparent for zRTP call, zRTP is establish between 2 end point (terminals), SBC don't decrypt or encrypt the call. Thus SBC don't modify codec.
Is there a SBC solution provided by Kamailio ?

How is managed the SBC failover mecanism ? is there SBC backup ?
What is the status of context registered in Kamailio (P-CSCF & S-CSCF) in case of SBC failure ?

- Is it deleted automatically ?

- dispatched to another SBC (backup SBC) ?

Is there mecanism in Kamailio to check SBC overload and manage a dispatching of zRTP call to available SBC ?

Question related to P-CSCF and S-CSCF :
- Is there redundant function (such as active/active or active/standby solution) of contextual data (customer data stored at the registration REGISTER on P-CSCF and S-CSCF) ?

Best Regards

Ludovic DURAND

SII
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