Plantronics APP-5 Polycom EHS Cable - For use with CS60, CS70N, CS351N,

This adapter automatically handles hookswitch control so there is no longer any need to remove/replace the handset when answering a call.

Compatible with the following handsets:

• IP320
• IP321
• IP330
• IP331
• IP430
• IP450
• IP550
• IP560
• IP650
• IP670


Manufacturer Part Number: 38438-01