Voice Application - Billion BiPAC 7404V(G)OX/V(G)PX User Manual

Mission-critical application
Mostly the VPN connection is mission-critical application for doing data exchange between head
and branch office.
The mission-critical application must be sent out smoothly without any dropping. Set priority as
high level for preventing any other applications to saturate the bandwidth.

Voice application

Voice is latency-sensitive application. Most VoIP devices are use SIP protocol and the port number
will be assigned by SIP module automatically. Better to use fixed IP address for catching VoIP
packets as high priority.
Above settings will help to improve quality of your VoIP service when traffic is full loading.
162