LevelOne VOI-9300 user manual Applications of IP PBX under Firewall with DMZ

9. Applications

Applications of IP PBX under Firewall with DMZ

This will protect corporate network security while allowing VOI-9300 to work as IP-PBX for VoIP applications. When VOI-9300 IP-PBX is operating under the corporate firewall, remember to enable and open the following service port numbers for VoIP applications.

￿TCP Port：22, 80, 1723 for Telnet, Http, and PPTP.

￿UDP Port：5060, 1194, 10000-20000 for SIP, OPENVPN, and Voice RTP Range.

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