Hi there. 
I'm still trying to integrate Kamailio and freeswitch... where kamailio acts as 
a proxy and registrar ... and freeswitch provides conference calls and 
voicemail. 
I have calls between two polycoms working and conference calls work. 
But when I try to leave a voice message for a user by dialing 44+ext, the sip 
proxy never replies to the polycom. 
I did a tcpdump and i can see the INVITE from the polycom to the sip proxy 
multiple times... but no response back.  The phone eventually disconnects 
itself. 

Here's what my config looks like:  http://pastebin.com/wWgyVcxc
Just do a search for "route[FSDISPATCH]". 
You will see how I check for the "44" prefix, and then send the call to a route 
called "FSVBOX".  
Any suggestions would be appreciated. 


        1. route[FSVBOX] {
        2.         if(!($rU=~"^1[0-9][0-9]+$"))
        3.                 return;
        4.         prefix("vb-");
        5.         route(FSRELAY);
        6. }
        7.  
        8. # Send to FreeSWITCH
        9. route[FSRELAY] {
        10.         $du = "sip:" + $sel(cfg_get.freeswitch.bindip) + ":"
        11.                         + $sel(cfg_get.freeswitch.bindport);
        12.         route(RELAY);
        13.         exit;
        14. }
        15. 
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