[Freeswitch-users] Call Recovery when using TCP

Gilad Abada ga at steadfasttelecom.com
Tue Jul 23 17:56:46 MSD 2013


Hi Anthony, 

call recovery is only possible with UDP. 

-- 


On Tuesday, July 23, 2013 at 9:01 AM, Anthony McGarry wrote:

> Hi,
> 
> FreeSWITCH (Version 1.2.11 git c9790ea 2013-07-16 02:46:21Z)
> 
> I have two physical boxes active/passive using heartbeat and corosync.
> Using FS as an SBC with two profiles. Internal and Private. 
> Both profiles are using track-calls for call recovery.
> 
> Works fine when using UDP as the transport for both legs.
> Works fine when A leg uses UDP and B leg uses TCP
> Fails when A leg uses TCP and b leg uses either UDP or TCP.
> 
> It seems that the A leg always uses UDP as the transport for the INVITE to recover. Even if the initial call used TCP before the failure.
> 
> Anyone using TCP in this scenario? Cannot find what I'm missing.
> 
> Thanks
> A
> 
> 
> 
> 
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> 
> 
> 
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