Xblue Networks X-25 User Manual
Page 24
Signalling Documentation
Description
ToS
RFC 791, 1060,
1122, 1123,
1195, 1247,
1248, 1349,
2474, 3168
The type of service octet is part of the Internet Protocol header that speci-
fi es the priority of the attached datagram (message).
DTMF
RFC 4733
Dual Tone Multi-Frequency Tones - also known as touch tone
®
- Defi ned
protocol for transmission of DTMF tones transmitted over a packet-
switched network.
AF Class
RFC 2597
One part of QoS, is Assured Forwarding Classes. This allows the
administrator to divide the IP Packets into one of 12 different classes.
In the event that the network becomes congested, the packets with the
highest drp rate will be dropped.
EC
RFC 3246
Expedited Forwarding has the characteristics of low delay, low loss, low jit-
ter, making it suitable for Voice, Video and other real-time services.
24