Subject: [Megaco] ToS byte marking-followup

From: [email-masked]
Date: Tue, 12 Oct 2004 11:25:14 -0500

Is there a standardized mechanism to set the TOS bit marking

An earlier e-mail had talked about using a QoSOverride property.

Another e-mail had talked about using "ETSI Gate Control package". I could
not find reference to it in the H.248 package definitions.

The draft draft-madhubabu-megaco-qospackage-00.txt is expired.

Could someone guide us as to what is the standardized mechanism
for TOS bit merking in Megaco.

Regards
-Deepak

-------------------------------------------------------------------------------------------
Brad,

We have defined the ‘QoSOverride’ property in our Megaco package for explicitly setting the ToS bits within the RTP media stream.  If this property is
 not set, the MG uses the Media and Codec types specified in the SDP to generate the mapping.  If neither of the above is applicable, the MG will use
a static mapping table which is configured by the operator.  The next release of our product will support setting the full 6 QoS bits.  Hope this is
useful.

Cheers,

Ed

QoS Override
PropertyId: QoSOverride(0x0005)

Description: The ToS mapping to use for this termination.

Type: octet string.  In the text encoding of MEGACO/H.248 this is represented as a string, that is the values are 0 to 7.

Possible Values: as configured in the MGC.

Default: No override is applied.

Defined in: LocalControl.

Characteristics: read-write.

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