oups, typo :
class-map match-any VOICE
match protocol rtp audio
match protocol h323
match protocol rtcp
class-map match-any VIDEO
match protocol rtp video
match protocol cuseeme
match protocol netshow
match protocol rtsp
match protocol streamwork
match protocol vdolive
policy-map POLICY
class VOICE
priority percent 20
set dscp ef
class VIDEO
bandwidth percent 30
set dscp cs3
interface Ethernet1/0
description *** Internet ***
bandwidth 5000
service-policy output POLICY