Plantronics APC-43 (formerly APC-40, APC-41, APC-42) Electronic Hookswitch Control (EHS) for Cisco Unified IP Phone models 6851, 6945, 7821, 7841, 7861, 7942, 7942G, 7945, 7945G, 7962, 7962G, 7965, 7965G, 7975, 7975G, 8811, 8841, 8845, 8851, 8861 for ...
Plantronics APC-4 Electronic Hookswitch EHS Cable for Cisco- DISCONTINUED
Cisco IP Phone 7800 and 8800 Series Accessories Guide for Cisco Unified Communications Manager - Headsets [Cisco IP Phone 7800 Series] - Cisco
Comdio H403C3 Binaural Call Center Headset Headphone with Mic for Cisco Telephone IP Phones 7931G 7940 7940G 7941 7941G 7942G and Plantronics M10 M12 M22 Vista Modular Adapters - Walmart.com