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Does Unity mark SCCP traffic AF31 or CS3?

Steven Griffin
Level 4
Level 4

I've read many posts here that Unity does indeed mark all RTP traffic with DSCP EF (46) but I cannot find, here or in Cisco's documentation, if SCCP traffic is marked and if it is which value does Unity use? Is it AF31 or CS3?

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Chris Deren
Hall of Fame
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Chris Deren
Hall of Fame
Hall of Fame

According to Unity Design Doc:

http://www.cisco.com/univercd/cc/td/doc/product/voice/c_unity/design/udg/network.pdf

page 25 it is still AF31.

HTH,

Chris

Chris,

Thanks. I appreciate it. Odd that they've switched CallManager to CS3 for SCCP but kept Unity on AF31. Something to watch out for later on.

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Its always good to remark packets on the switch regardless, so you can be always on the safer side.

Sankar Nair
UC Solutions Architect
Pacific Northwest | CDW
CCIE Collaboration #17135 Emeritus

P.S. You will be able to change the DSCP values with Unity 5.0

Chris