This only works with the correct AVAYA controlled system. Make sure you have the controlling system!!!!!

▶️ Great Buy Bri-Guy ◀️

✅AVAYA Partner Telephone 700420011 18D Series 2-Line Corded Tested Excellent👀📸

↙️ Great Buy Bri-Guy Description: ↘️

AVAYA

Partner 700420011

18D Series

2-Line Corded Telephone

Works great!!!

See Pictures to know what is included.