MyPBX SOHO Administrator Guide
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Name: RTP_ALL
Protocol: UDP
Port: 10000:12000
IP: 0.0.0.0/0.0.0.0
Action: Accept
Figure H-2-6
In this case, MyPBX can get rid of one-way volume issue.
Step5. Block the web connection of the other IP address that are
not added into accept list.
