Eusso 2 & 4 Port VoIP Gateway Manual de usuario descargar pdf (Pagina 64)

9. Applications

Applications of IP PBX under Firewall with DMZ

This will protect corporate network security while allowing UTG7204-ON to work as IP-PBX for

VoIP applications. When UTG7204-ON IP-PBX is operating under the corporate firewall,

remember to enable and open the following service port numbers for VoIP applications.

¾ TCP Port：80, 1723 for Http, and PPTP.

¾ UDP Port：5060, 1194, 10000-20000 for SIP, OPENVPN, and Voice RTP Range.

PSTN

UTG7204-ON

Corporate Ethernet

FXO

Router Firewall

DMZ

WAN

IP Phones

INTERNET

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Eusso 2 & 4 Port VoIP Gateway Manual de usuario Pagina 64