[Freeswitch-users] originate from cli

I make some test with originate from cli. /usr/local/freeswitch/bin/fs_cli -x "originate user/9999 7777 XML public" -ERR RECOVERY_ON_TIMER_EXPIRE 9999 and 7777 are ready to receive calls and I don't have any NAT. is anyone can explain what it means ? Thanks