P100-L-13 Hook Switch Cable for Cisco Telephones by Poly

Electronic Hook Switch- communicates electronically with the phone, eliminating the need for a HL10 lifter.

Part numbers for various phone systems are listed below For Cisco Phones : 6945, 7942G, 7945G, 7962G, 7965G, 7975G, 8841, 8845 Part Number: P 100 L 12