BLF for Polycom IP 601

for get BLF working in my Polycom IP601
i create mac-directory.xml

[code]<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
















in sip.cfg i activate the feature :“presence” feature.1.enabled=“1”

anything else i am missing??
thank you for any help

I see nothing in my slidecar , and when i press in buddies i don’t found the contact
I forget something ?
can you help me, thank you in advance for any help