===== Cisco VoIP QoS =====

   class-map match-any VOIP
    match protocol rtp
    match protocol sip
    match protocol ospf
   !
   !
   policy-map VOIP-Priority
    class VOIP
     priority 2000
     set dscp ef
   policy-map QOS-VOIP
    class class-default
     shape average 5200000
     service-policy VOIP-Priority