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i m looking for person who has good understand of pptp vpn , Voip, routing calls, astrisks , Trixbox
i have pptp vpn server on 2008 R2 with public IPs. and on client side i m using xp and gnugk as a gatekeeper to route calls on voip gateway from other lan card using private ip
problem is i m getting oneway voice from some vpn clients and some are fine and even some works fine some time and other time same oneway voice issue
please suggest me better option and quick as well
and one more thing when i use vpn account which i took from reliablehosting it works on every client
no oneway voice issue