How can I use a Layer 3 switch for voice routing?
Can a Layer 3 switch be used for voice routing? How?

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Yes you can. Voice is treated as data with real time QoS parameters. If you have configured QOS correctly it will treat the packet on high priority and route it.

If you are referring to call routing as call processing, it can do only if IOS supports it.

This was first published in August 2008