[SR-Users] Kamailio+Asterisk - Kamailio doesn't forward INVITE to 2nd Kamailio

[Marko Tirs]

Hi all,
I have here:Kamailio 1: 192.168.0.11Kamailio 2: 192.168.0.21Asterisk 1: 192.168.0.12
Asterisk1 is registered on Kamailio1 as User 100. Asterisk1 shouldn't be registered on Kamailio2.

User 111 registered on Kamailio1User 211 registered on Kamailio2User 121 registered on Asterisk1
Test cases:---------------------111 calls 211 - OK211 calls 111 - OK121 calls 111 - OK121 calls 211 - Kamailio1 doesn't forward INVITE to Kamailio2, Asterisk gets 'Busy' !?

Is the approach just to replace destination IP-address in $ru, depending from 1st digit, right?
If not, what is the right approach to reach the remote users from Asterisk, which are registered on remote Kamailio and not on the local Kamailio?
Thank youRegardsMarko


My changes in kamailio.cfg in both kamailios (based on kamailio-basic.cfg) :--------------------------------------------------------------------------------------------------------------kamailio1.bindip = "192.168.0.11"
kamailio2.bindip = "192.168.0.21"
...route {
    if (is_method("INVITE")) {
        if($rU=~"^1[0-9][0-9]$") {
            $ru = "sip:" + $rU + "@" + $sel(cfg_get.kamailio1.bindip) + ":5060";
        }
        else if($rU=~"^2[0-9][0-9]$") {
            $ru = "sip:" + $rU + "@" + $sel(cfg_get.kamailio2.bindip) + ":5060";
        }    }
...

sip.conf in Asterisk1:----------------------------------
register => 100:abc at 192.168.0.124:5060/100

[100]
type=friend
host=192.168.0.11
secret=abc
context=kamailio

[121]
type=friend
secret=abc
host=dynamic
context=kamailio

extensions.conf-------------------------------[kamailio]
exten => _[1-4]XX,1,Dial(SIP/100/${EXTEN},30)
exten => _[1-4]XX,n,Hangup()


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