Compatiable Headset for Polycom VVX 400 VVX 401 VVX 410 VVX 411 VVX 500 VVX 501 VoiP Light weight, Noise Cancelling mic, Great in any office or home use - EAR308D + QD002P: Amazon.co.uk: Electronics & Photo
Callez RJ9 Phone Headsets for Office Phones with Noise Cancelling Mic, Mono Telephone Headset Compatible with Polycom VVX411 VVX410 VVX400 VVX401 Avaya Mitel ShoreTel BT Converse NEC Landline Phone: Amazon.co.uk: Electronics &
Polycom VVX Compatible Headsets - Headsets Direct
How do I turn on audio when I connect my corded Jabra Evolve headset with my Polycom VVX 400 series desk phone? | Jabra Evolve 40 UC Mono | FAQ | Jabra Support