This is the bottom cable that connects Plantronics H Series Headsets to these specific telephones:

• Grandstream GXP1200,1400,1405,1450,2010,2020,2100,2124
• Huawei ET325
• Huawei ET525
• Snom 320,
• Snom 360
• Snom 370
• Snom 820
• Snom 870
• Yealink SIP T20P
• Yealink SIP T22P
• Yealink SIP T26P
• Yealink SIP T28P
• Yealink T42G, T46G
• Zultys ZIP33i
• Key Features:
• 10' coiled

Do not order this cable if you don't have any of the phone listed
Contact us PRIOR to ordering regarding any questions on compatability or product information