[SR-Users] Kamailio as Peer Trunk in Asterisk

[Isravel Raja]

Hi, 

I wanted to achieve the following scenario with Kamailio and Asterisk/FreeSwitch 

Kamailio as a trunk for Receiving incoming calls and forward to Asterisk and Make outgoing calls. My current working setup like this 


VoIP Provider -> Kamailio -> Asterisk Clusters 

Where Kamailio(NAT for public) and Asterisk in the same local network, So I had to do only one thing just create the SIP trunk in Asterisk for authenticating all the Kamailio Incoming calls and making outgoing calls like this 

[kamailio] 
host=172.18.1.1 
type=friend 
disallow=all 
allow=ulaw 
context=trunkinbound 

This is IP based authentication, This is working fine since both servers are in the same local network or having the public IP's 

What I want is, I want to register the Kamailio Trunk in an asterisk with Username Password authentication, 

My current setup for making that, 

VoIP Provider -> Kamailio(Public) -> Asterisk(Randomly Changing Public IP, Broadband Connection) 

I want to register Kamailio SIP in asterisk trunk so that I can forward the incoming calls to asterisk via SIP extension 

[kamailio] 
host=172.18.1.1 
user=user 
secret=password 
type=friend 
disallow=all 
allow=ulaw 
context=trunkinbound 

Let me know if anyone doesn't understand my concern 

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