Telephone Headset with RJ9 Jack for Phone Mono with Noise Cancelling Microphone Plus Extra 3.5mm Connector for Mobiles Compatible with Avaya Nortel Polycom and iPhone Samsung : Amazon.co.uk: Electronics & Photo
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Headset for LG-Nortel IP 8501, 8540, 8815, 8820, 8830E, 8840 IP Phone + FREE RJ9 Lead with PLQD - QD002P + EAR510D: Amazon.co.uk: Electronics & Photo