MyPBX Standard Administrator Guide
155/219
Figure 2-5
Note: If the media server of SIP provider is dynamic, and we cannot collect the
IP range. We can allow the RTP range for the whole IP addresss like this:
Name: RTP_ALL
Protocol: UDP
Port: 10000:12000
IP: 0.0.0.0/0.0.0.0
Action: Accept
Figure 2-6
