Question : QoS configuration

I have CISCO router 3800 IOS 12.4(15) T
Is it support QoS ?
I Have 25 Mb internet connections and I need to configure QoS for Video Conference and VOIP

Answer : QoS configuration

Yes it does. This document is a good starting point for qos:

http://www.cisco.com/en/US/docs/internetworking/technology/handbook/QoS.html

/Kvistofta