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Chapter 4 Operational Concepts and Configuration Examples
58 Avaya X330WAN User’s Guide
Note: By default, Avaya IP phones have the DSCP value configured to 46 and do not
tag packet priority. To enable such packets to reach the VoIP queue, they should be
tagged with a priority of 6. To achieve this, either set the IP phone to Tagging Mode,
or use an appropriate DSCP-802.1p mapping in X330WAN. For more information,
refer to "Policy" on page 48.
To improve voice quality using cRTP, refer to the “Configuration tip” on page 54.
VoIP Implementation with a G700 Media Gateway and an S8300
Media Server
This section contains the following VoIP implementation configuration examples:
• Figure 4.10 below illustrates a common PPP VoIP configuration between two
sites connected over a WAN.
• Figure 4.11 on page 63 illustrates a common Frame Relay VoIP configuration
between two sites connected over a WAN.
PPP VoIP Configuration
Figure 4.10 illustrates a common PPP VoIP configuration between two sites
connected over a WAN.
Figure 4.10 PPP VoIP Configuration