[SR-Users] Can following scenario be implemented using Kamilio

[Alex Balashov]

On 03/03/2015 12:32 PM, Jayanth Acharya wrote:

> Would Kamilio also take care to send out the ACK to end the trasaction
> with B-party, and continue the relayed transaction with C-party ?

Indeed it will.

> Is this, in effect same as serial forking ?

It is not only in effect the same as serial forking, but is, in fact, 
exactly serial forking. The only way that a proxy can call B and then 
call C is to create another branch ("fork").  :-)

The different 'branch' IDs you'll see in the Via headers on the outgoing 
INVITEs from Kamailio will reflect that fact.

> Apologies for questions that are perhaps more to do with SIP, than
> Kamilio itself.

No need to apologise. The two are closely intertwined, because 
Kamailio's domain-specific route script language is closely aligned with 
the SIP transactional state machine. Ergo, much of learning to use 
Kamailio involves learning SIP.

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Alex Balashov - Principal
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