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www.netcomm.com.au Rev. 1- YML709
Page 104 NB1300Plus4 ADSL Modem
What is QoS and why should I use it?
Quality of Service (QoS) examines packet information such as the destination and source port to
determine what services the data being transmitted pertains to. Once the service type is
identified, it can be referenced in a small database which contains groups of services with the
allocated bandwidth / priority they are allowed. In this way your mission critical services (e.g.
VoIP = ports 1720 - 1723) can be given priority over less important services (e.g. Web browsing
= port 80).