YEA-EXP20 IP Phone Expansion T2X Series (02-120973)
Yealink 5V/2A Power Supply (YL-PS5V20000US)
Yealink EXP50 Expansion Module (YL-EXP50)
Yealink PS5V2000US Power Supply (02-116754)
Yealink T27G 6-line Gigabit IP Phone (02-123333)
Yealink T52SP IP Phone (YL-T52SP)
Yealink Wireless Headset Adapter (EHS36 N)