The Poly MDA105 Analog Switch is built to help you transition from desk phones to softphones without having to buy multiple headsets. It features easy-to-access buttons, a non-slip, base, and comes with a 10' coil cable. Simply connect each device to the right port and you're all set. It's compatible with most desk phones, PC and Mac computers, as well as Poly & Plantronics QD (Quick Disconnect) headsets.

Poly MDA105 Features:

• Accessible ports
• Mute button with visual indicator
• Enhanced compatibility
• 10-foot coil cable
• Works with Plantronics QD (Quick Disconnect) headsets
• Non-slip base
• Easy-to-use switch
• Replaces item# 205255-11

Compatibility:

• EncorePro 700 Series (4-pin, non-digital)
• EncorePro 500 Series (4-pin, non-digital)
• SupraPlus Series (HW261, HW261N, HW251, HW251N),
• Entera (HW111N, HW121N)