
ZyXEL – ZyWALL USG Support Notes
All contents copyright (c) 2010 ZyXEL Communications Corporation.
Step3. Create a bandwidth management rule and configure
- Destination port 5060 for SIP application
- Configure the rule as from LAN1 to WAN
- Select the UDP protocol
- Allocate 300kbps for both inbound/outbound bandwidths.
Add Sub-Class under interface LAN to manage download traffic.
To guarantee voice quality, the bandwidth for VoIP traffic with should be
at least 300Kbps in both download and upload directions.
Download bandwidth budget: 300kbps.
Priority: 7. (Priority order: 7~1 — Highest ~ Lowest)
Enable Bandwidth Filter.
Service: SIP
Destination: LAN subnet
Source: Any
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