1) This policy would be applied to your switch port as an inbound policy on ingress. The data will arrive serially at the port and each IP packet will inspected and treated as per the policy. The switchport has not control over the order of packet arrival. Therfore the ingress packets will be treated in a first come first served fashion no matter whether they are from the actual phone or any device behind it.
2) The AVAYA phone will not be sending rtp packet with udp port range 16384-32767 as these are Cisco IPT values but can be matched as DHCP EF (46). For signalling it is best to ask the AVAYA switch person to change thesignalling DSCP to CS3 (24) for traversing Cisco network kit. This allows you to either just trust the DSCP on a port or use the policy map.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...