Zyxel-communications Prestige 2602R Series Manual do Utilizador Página 114

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Prestige 2602R Series User’s Guide
114 Chapter 8 Voice 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.
8.5 QoS Configuration
Click Voic e in the navigation panel and then Qos to display the following screen.
Figure 44 QoS
The following table describes the labels in this screen.
Table 28 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.
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.
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 0 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 VLAN
group to communicate with the SIP server.
Back Click Back to return to the previous screen.
Apply Click Apply to save your changes back to the Prestige.
Cancel Click Cancel to begin configuring this screen afresh.
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