Setup Cisco RVS4000 QOS for VOIP

Posted by andyknas on Server Fault See other posts from Server Fault or by andyknas
Published on 2011-03-09T18:13:59Z Indexed on 2012/06/26 3:18 UTC
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Just switched from dedicated T1's with analog phone lines to cable modem with 10/2 uplink. We're having some VOIP call quality issues on the outgoing side when bandwidth is stressed and I need to setup QOS or a VLAN on our RVS4000 router.

Currently all phone traffic (talkswitch device and ip phones) are on it's own d-link PoE switch, and all workstations are on a LinkSys 1GB switch. Both switches are plugged into ports on the RVS4000. I'd like to set it up so that the dlink port has ~512Mbsp dedicated to it for voice at all times. It's my understanding that with a VLAN or QOS I can set this up.

I've got QOS setup already with port 5060 to have high priority but it doesn't seem to make a difference.

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