[SR-Users] Kamailio call flows with Asterisk

Henning Westerholt hw at gilawa.com
Wed Jan 5 17:39:43 CET 2022


there are of course many options depending on your requirements etc..

But if your infrastructure has grown over a certain size, then common architectures are:

- using kamailio of load balancer in front of asterisk for security/scalability
- using kamailio additionally to handle also certain SIP applications, like registration handling

Again, generalization - Kamailio should handle the registration more scalable and more reliable as asterisk.



Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com

-----Original Message-----
From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Nauman Sulaiman (SESSIONTALK)
Sent: Wednesday, January 5, 2022 3:13 PM
To: sr-users at lists.kamailio.org
Subject: [SR-Users] Kamailio call flows with Asterisk


We are using Asterisk as a PBX with users directly registered to Asterisk and Asterisk registering to SIP trunks. We are now looking to put Kamailio in front of Asterisk to handle SIP registrations from the SIP clients. 

In a ‘typical’ architecture should we keep the SIP trunk registrations on Asterisk or is Kamailio used for this? We want to keep Asterisk as the RTP proxy so we don’t want a call setup by Kamailio with RTP then going direct between user agents. 


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