hi list.. i am winda i make SER and it work well in local network. when i establish SER server in public network. it cannot run. i have read the milist and the solution are nethelper and mediaproxy/rtp proxy. i want ask how to start to make nathelper+rtp proxy? please explain me step by step?... oh ya.. i also read about rtp proxy, maxim's rtp proxy and media proxy. can you explain me what is the different? Thanks for help....:-)

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