[pjsip] what really does --use-ice in pjsua

[Lucas Rosa Galêgo]

Hi guys,

I have a simple question.
What is the impact in how the pjsua sample works when I just set the flag
--use-ice
with no stun server, nothing more.
What the pjsua will be able to do that it isn't without this flag?
Thanks for help

-- 
Lucas Rosa Galego
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