22 [tos, 23 [pt – MicroNet Technology VOIP FXO SP5054A/S User Manual

Page 54

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2.22 [tos]

TOS service allows users to achieve QoS on IP network.
---------------------------------------------------------------

usr/config$ tos
IP Packet ToS(type of Service)/Differentiated Service configuration
Usage:
tos [-rtptype dscp]
tos [-sigtype dscp]
tos -print
[-rtpreliab mode]
tos -print

Example:
tos -rtptype 7 -sigtype 0

---------------------------------------------------------------
In QoS, a modification of the type of service byte. Six bits of this byte are

being reallocated for use as the DSCP field, where each DSCP specifies a

particular per-hop behavior that is applied to a packet. Support for DSCP

still is lacking in some network equipment, please refer to RFC 2474

DSCP : Differentiated Services Code Point

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Ver

P

X

CC

M

PT

Sequence Number

Timestamp

SSRC

CSRC

[0..15] :::

Note:

1. The value of rtptype and sigtype is from 0 to 63.

2. Users should be aware that TOS is effective only when network

devices (for ex: router, switch.. etc.) support TOS.

2.23 [pt]

RTP Payload Type Configuration
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