Compatibility Information | Designed For | Cisco Small Business SPA 512G, SPA 514G, SPA 525G2 ¦ EPOS I SENNHEISER IMPACT D 10 HS, D 10 Phone, D 10 USB, D 10 USB ML ¦ EPOS I SENNHEISER IMPACT DW 10 PHONE, 10 USB ML EU, 20 PHONE, 30 HS, 30 PHONE, 30 USB ML EU, Office, Office ML, Office USB, Office USB ML, Pro1, Pro1 ML, Pro1 USB, Pro1 USB ML, Pro2, Pro2 ML, Pro2 USB ¦ EPOS I SENNHEISER IMPACT SD PRO 1 ML ¦ EPOS I SENNHEISER IMPACT SDW 5011, 5013, 5014, 5015, 5016, 5031, 5033, 5034, 5035, 5036, 5061, 5063, 5064, 5065, 5066 |