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Joined: Aug 2012
Posts: 2
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Joined: Aug 2012
Posts: 2 |
I have an OS7400 PBX utilizing VOIP. I have Cisco 2950 switches with Enhanced IOmage IOS, so I want to do Auto-QOS on these switches. For tagging voice, Cisco uses COS=5 and DSCP=46. How does the 7400 tag the voice? What are the default COS and DSCP values set to? I am using SMT-I3105 phones.
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Joined: Jun 2006
Posts: 3,004 Likes: 4
Moderator-Samsung
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Moderator-Samsung
Joined: Jun 2006
Posts: 3,004 Likes: 4 |
It's not set by default.
I will pm you the information
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Joined: Aug 2012
Posts: 2
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Joined: Aug 2012
Posts: 2 |
Thank you for the COS info. I could not find anything about default DSCP values for the 7400 on Google
You need to do this in 2 places.
MMC835 for the MGI/OAS
MMC840 for each ip handset
COS 5 is 10100000
not sure on dscp but you can google it to find out
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Joined: Jan 2005
Posts: 340
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Joined: Jan 2005
Posts: 340 |
I ran into this issue with a bank I was installing. In order to get the dscp value to 46 i had to set my tod fields to 10111000
Once we realized that, things started working great.
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