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[Freeswitch-users] Two outbound ESL connections


 
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PostPosted: Tue Mar 01, 2016 9:09 am    Post subject: [Freeswitch-users] Two outbound ESL connections Reply with quote

Hello there,

I have a setup where I would like FreeSWITCH to make an outbound ESL connection to a proxy-like service. The proxy-like service should then make FreeSWITCH open another outbound ESL connection to a different service that will handle the call. 


The proxy-like service should be as transparent as possible. Ideally, it should be possible to 'skip' it, and point FreeSWITCH directly to the service that handles the call.


Currently, I have a dialplan that looks like this:


--
<action application="set" data="continue_on_fail=true"/>
<action application="set" data="hangup_after_bridge=true"/>
<action application="set" data="ringback=%(1000,4000,425)"/>

<action application="socket" data="127.0.0.1:3000 async full"/>
<action application="hangup" data="FACILITY_NOT_IMPLEMENTED"/>

--


The proxy-like service listenens on port 3000. It will order FreeSWITCH to execute the following command:


socket 127.0.0.1:3001 async full


This works, somewhat. I would like the proxy-service to terminate the connection as fast as possible. However, if I send the exit-command[1] before the call is bridged to the hangup from the XML dialplan is executed. If the call is bridged when I send the exit-command, it works fine.


I would like the service on 3001 to emit a custom event, which the proxy-like service listens for and terminates the ESL connection. Currently I need to sleep a little while and then terminate the ESL connection.


How do I keep the hangup from being executed, when there is an open outbound ESL connection?


I currently use FreeSWITCH Version 1.4.15+git~20141229T185951Z~507a0f22c5~64bit (git 507a0f2 2014-12-29 18:59:51Z 64bit).


I hope this makes sense.


Regards, Asbjørn


[1] https://freeswitch.org/confluence/display/FREESWITCH/mod_event_socket#mod_event_socket-exit
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