Polycom Inc. OBI 300 Voice Adapter USB 1 FXS ATA, PY-2200-49530-001 (1 in Stock)

The Poly OBi300 IP Analog Terminal Adapter converts a SIP extension into an analog extension allowing users to connect analog devices, such as fax machines, modems, or single line phones to IP PBX or VoIP service.  Designed primarily for home offices to continue to use analog Fax machines over VoIP internet service, the Poly OBi300 will register up to 4 VoIP services