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Prestige 2002 Series User’s Guide
52 Chapter 6 VoIP Screens
Your Prestige can add IEEE 802.1Q VLAN ID tags to voice frames that it sends to the
network. This allows the Prestige to communicate with a SIP server that is a member of the
same VLAN group. Some ISPs use the VLAN tag to identify voice traffic and give it priority
over other traffic.
6.5 QoS Configuration
Click VoIP in the navigation panel and then QoS to display the following screen.
Figure 23 QoS
The following table describes the labels in this screen.
Table 12 QoS
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. Priorities 6 and 7 are
reserved for network control traffic. It is recommended that you use priority 5 for
SIP.
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. Priorities 6 and 7 are
reserved for network control traffic. It is recommended that you use priority 5 for
RTP.
Enable VLAN Tag 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.
Disable VLAN tagging if the Prestige does not need to be a member of a VLAN
group to communicate with the SIP server.
Voice VLAN ID Type the VLAN ID (VID) from 0 to 4095 for the Prestige to add to voice Ethernet
frames that it sends out to the network.
Apply Click Apply to save your changes back to the Prestige.
Reset Click Reset to begin configuring this screen afresh.