model

var (
	AddrStr              = "stun.voipgate.com:3478"
	Timeout              = 3
	Verbose              = 0
	Log                  logging.LeveledLogger
	NatMappingBehavior   string
	NatFilteringBehavior string
	EnableLoger          = true
	IPVersion            = "ipv4"
	Interface            = ""
)