Currently, we're not able to set the SO_SNDBUF and the SO_RCVBUF, the defaults on Linux are amazing. But some lower platforms (iOS) aren't so amazing. Branch to add API: http://cgit.collabora.com/git/user/tester/libnice.git/log/?h=set-udp-sndrcvbuf
Migrated to Phabricator: http://phabricator.freedesktop.org/T97
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