I think this should throw some light on the topic. 
https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations#Concurrent_calls

On Tue, Dec 1, 2015 at 5:48 PM Shisheer Teli <telishisheer@gmail.com> wrote:
Dear Team,

How many concurrent call FreeSWITCH will handle?

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Regards,
Shisheer T


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