Cisco ATA 188 Analog Telephone Adapter (Refurbished)The Cisco ATA 188 Analog Telephone Adaptor is a handset to Ethernet adaptor that turns traditional telephone devices into IP devices. Customers can take advantage of the many new and exciting IP telephony applications by connecting their analog devices to Cisco ATAs. Key Features: Supports 2 voice ports, each with its own independent telephone number Internal Ethenet switch allows for a collocated PC connection Connects legacy telephones to IP based