Polycom Vortex EF2201 -Digital Hybrid- Telephone Interface

Polycom Vortex EF2201 Hybrid Mixer, 2201-82201-001 NO POWER ADAPTER

Polycom ASPI VORTEX EF2201 Telephone Interface

POLYCOM VORTEX EF2280 MIC/MATRIX MIXER & EF2201 TELEPHONE INTERFACE

Polycom Vortex EF2280 NA Telecom Coference System p/n 2201-12280-001

EF2280 Polycom Vortex Multi-Channel Echo Noise Cancellation Processor

Polycom ASPI Vortex EF2201 Telephone Interface (Lot of 2)

Polycom Vortex EF2280 (Digital Hybrid) Telephone Interface