Avaya Phone System
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Merlin Hands free headset adapter (502A) (3164-HFA)

• Connect prong plug headset to Merlin telephone.
• Allows you to answer the phone without lifting handset, one touch operation.
• Not compatible with Merlin 5 button or HFAI-10.
• Requires Feature Package 1 or 2 with 206 or 410.
• Requires Feature Package 2 with 820.