Amazon.com : Polycom SoundStation 2 Non Expandable Analog Conference Phone (2200-16000-001) : Voip Telephones : Office Products
Polycom Soundstation 2 with Wall Unit / 2X Extension Mics and Cables -- CC1 | eBay
Expansion Mics for Polycom SoundStation2 EX – Pair | Business Telecom Products
Polycom Soundstation2 Extension Microphone
Poly Extension Microphones for SoundStation2 EX 2200-16155-00) - Macondo
Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom
POLYCOM SOUNDSTATION2 EX with 2 EXT MIC + Wirelss Lapel Mic. 2200-16200-001 2200