The CEHS-SP 01 cable is an adapter cable for electronic hook switch. It’s compatible with the following desk phones: Sangoma s300, s500, s70. Snom 320, 360, 370, 720, 760, 820, 821, 870. Yealink T49G, T48G, T46G, T42G, T41P, T38G, T29G.
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