Here is the LLDP configuration for EOS switches and Avaya Phones
VLAN Config
set vlan create
set vlan name Voice
set vlan egress tagged
LLDP Config
set lldp tx-interval 5
set lldp med-fast 5
set lldp port med-trap enable
set lldp port tx-tlv vlan-id med-cap med-pol
set lldp port network-policy voice state enable tag tagged vid cos 7 dscp 46
set ciscodp status enable
set ciscodp port vvid
set cos state enable
set policy profile name "Voice" pvid-status enable pvid 1 cos-status enable cos 7 egress-vlans
set policy port
Hope this helps!