Avaya 4600 User Manual

For example, the settings file might look like:

{specify settings unique to Group 0}

 

{specify settings unique to Group 1}

 

{specify settings unique to Group 2}

{specify settings common to all Groups}

The 4600 Series IP Telephones support both IEEE 802.1D/Q and DiffServ. In the future, the 
4600 Series IP Telephones might support other, possibly proprietary, procedures for 
implementing Quality of Service. In addition, other network-based QoS initiatives such as UDP 
port selection do not require support by the telephones. Those initiatives nonetheless can 
contribute to improved QoS for the entire network. 

IEEE’s 802.1Q standard defines a tag that can be added to voice and data packets. Most of the 
information associated with this tag deals with Virtual LAN (VLAN) management, but 3 bits are 
reserved for identifying packet priority. These 3 bits allow any one of 8 priorities to be assigned 
to a specific packet. As defined in the standard, the 8 priorities are, from highest to lowest:

●

7: Network management traffic

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6: Voice traffic with less than 10ms latency

●

5: Voice traffic with less than 100ms latency

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4: “Controlled-load” traffic for mission-critical data applications

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3: Traffic meriting “extra-effort” by the network for prompt delivery, for example, executives’ 
e-mail

●

2: Reserved for future use

●

0: Traffic meriting the network’s “best-effort” for prompt delivery. This is the default priority.

●

1: Background traffic such as bulk data transfers and backups 

Note:

 Priority 0 is a higher priority than Priority 1.