504589 Sennheiser CEHS AV 04 - Phone adaptor - RJ-9 (M) to RJ-12, RJ-45 (M) - 1.03 m - for Avaya 14 (Multi Format and Universal)

Sennheiser CEHS AV 04 - Phone adaptor - RJ-9 (M) to RJ-12, RJ-45 (M) - 1.03 m - for Avaya 1403, 1408, 1416, 9404, 9408, 9504, 9508 - 504589 (Headsets Microphones > Headphones & Headsets)