Information on Avaya headset compatibility can be found here.

Plantronics Avaya AWH-75 Wireless Office Headset System. Ideal for on-the-move office executives, the AWH-75 boasts a lightweight, over-the-ear design that combines sophisticated style with all-day wearing comfort. Whether moving between meetings, conferring with colleagues, or taking calls in offices, executives can use the Plantronics Avaya AWH-75 to go wherever business takes them—up to 300 feet from their desk phone. Leading-edge, voice-dedicated DECT 6.0 (1.9Ghz) technology provides best-in-class audio quality, digitally-secure communications, and the lowest probability of interference with other wireless devices. The discreet Voice Tube delivers superior audio clarity.

*Avaya 8400 Series Telephones require an additional cable (75011-01). This can be provided at no cost to you.

*Avaya 9600 Series Telephones require an additional cable (74256-01). This can be provided at no cost to you.

Models that do not require an HL1 or HL10 Handset Lifter: 2410, 2420, 4610SW, 4620, 4620SW, 4621SW, 4622SW, 4625SW, 4630, 4630SW, 5410, 5420, 5610, 5610, 6416D+M, 6424D+M, 7405D, 7406, 7406D, 7506 ISDN, 7410D, *8403, *8405, *8410D, *8410D, 8411D*, 8434*, 8500 ISDN, *9620, *9630

Models that require an HL1 Handset Lifter: 4406, 4412, 4424, 4406D+, 4412D+, 4424D+, 4424LD+, 7100, 7303, 7305, 7308, 7313, 7314, 7316, 7317, 7318,Merlin BIS 10, 19, 22, 34, 34D, Merlin MLS 6, Merlin MLS 12, Merlin MLS 12D, Merlin MLS 18, Merlin MLS 18D, Merlin MLS 34, Merlin MLS 34D, Merlin MLX 10, Merlin MLX 10D, Merlin MLX 16D, Merlin MLX 20L, Merlin MLX 28D

Models that require an HL10 Handset Lifter: 2402, 4601, 4602, 4602SW, 4606, 4612, 4624, 5402, 5601, 5602, 5602SW, 6200, 6402, 6402D, 6408+, 6408+, 6408D+, 6416D+, 6424D+, 5402, 6402, 6402D, 6408+, 6408+, 6408D+, 6416D+, 6424D+, 7100, 7401D, 7403D, 7404D, 7407D, 7434D, 7444, 8101, 8102, 8110, Partner Euro 6B, 18B, 18D, 34D, Partner MLS 6B, Partner Refresh 6D, 18D, 34D

Mobile multi-tasking- moving between meetings, conferring with colleagues, or taking calls in offices- need not interrupt important calls up to 300 feet from your desk phone
Lightweight and sophisticated over-the-ear design ensures all-day wearing comfort
Executives can follow business where it takes them- up to 300 feet from their desk phone
Executives can answer calls remotely, so they never miss or interrupt a call while away from the desk phone
Voice-dedicated DECT 6.0 technology provides premium audio quality with the lowest probability of interference
Patented Voice Tube combines discreet style and convenience with superior voice clarity
No overnight wait: fully recharge the headset in under three hours, and recharge it 80% in half that time
Approximately 6 hours of talk time makes it easy to stay connected
Built in electronic hookswitch control NO Lifter is required if you have one of the listed Avaya telephones

Product also known as:

72238-01, Plantronics Avaya Office Headsets, Avaya Office Headsets