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VoIP Implementation with DEFINITY (CLAN and Prowler)
Avaya X330WAN User’s Guide 73
VoIP Implementation with DEFINITY (CLAN and Prowler)
Figure 4.12 illustrates a PPP VoIP configuration with DEFINITY between two sites
connected over a WAN.
Figure 4.12 PPP VoIP Configuration with DEFINITY
In Figure 4.12, Site A contains IP phones connected to a P333T-PWR switch. The
P333T-PWR switch houses a X330W-2DS1 expansion module that is connected to
the WAN via a 24 timeslot (1.536 Mbps) T1 interface. Following are the connection
details for Site A:
• The IP phones are configured with the following DSCP tagging:
—Voice = DSCP 46
— Voice control = DSCP 34
Note: The Policy list in the next configuration is based on the assumption that the
Media Gateway, Media Server, and the IP phones send VoIP control packets with a
DSCP value of 34 and voice with a DSCP value of 46. If any of the components of the
topology are sending control or voice packets with other DSCP values, you must
make changes in the Policy list.
• The CLAN in the DEFINITY has a default RTP UDP port range is 2048 to 3028.