ZyXEL Communications 2602HWL-DXA User Manual

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Prestige 2602HWL-DxA Support Notes 
 
 
 
All contents copyright (c) 2005 ZyXEL Communications Corporation.   
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Voice - QoS setup 
 
Quality of Service (QoS) refers to both a network's ability to deliver data with minimum delay, and the networking 
methods used to provide bandwidth for real-time multimedia applications. Click VoIP -> SIP -> QoS to display 
the following screen.
 
 
 
Each field's detail description of the page is listed below. 
Label 
Description 
SIP TOS 
Priority  
Type a priority for voice transmissions. The Prestige applies Type of Service 
priority tags with this priority to voice traffic that it transmits.   
RTP TOS 
Priority 
Type a priority for voice transmissions. The Prestige applies Type of Service 
priority tags with this priority to RTP traffic that it transmits.   
Voice VLAN 
ID 
Enable VLAN tagging if the Prestige needs to be a member of a VLAN group 
in order to communicate with the SIP server. Your LAN and gateway must 
also be set up to use VLAN tags. Some switches also give priority to voice 
traffic based on its VLAN tag. 
Type the VLAN ID (VID) from 1 to 4095 for the Prestige to add to voice 
Ethernet frames that it sends out to the network. 
Disable VLAN tagging if the Prestige does not need to be a member of a