All contents are Copyright © 1992–2006 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.Page 1 of 6Data SheetCisco ATA 186 Analog Telephone AdaptorThe Cisco ATA 186 Analog Telephone Adaptor is a handset-to-Ethernet adaptor that turns traditional telephone devices intoIP devices. Customers can take advantage of the many new and exciting IP telephony applications by connecting theiranalog devices to Cisco ATAs.The Cisco Analog Telephone Adaptor products are standards-based communication devices that deliver true, next generation voice-over-IP (VoIP)terminations to businesses and residences worldwide.PROTECTS LEGACY TELEPHONE INVESTMENTThe Cisco ATA 186 supports two voice ports, each with its own independent telephone number, and a single 10BaseT Ethernet port. This adaptorcan make use of existing Ethernet LANs, in addition to broadband pipes such as digital subscriber line (DSL), fixed wireless, and cable modemdeployments.COST EFFECTIVEThe Cisco ATA 186 helps customers turn their analog phone devices into IP devices cost-effectively and is the preferred solution to address theneeds of customers who connect to either enterprise networks, small-office environments, or the emerging VoIP managed voice services and localservices market.Enterprise customers are using the Cisco ATA 186 to connect analog phones and FAX machines to their VoIP network. Service providers are takingadvantage of emerging telephony applications and the ease of deploying second-line services using the Cisco ATA 186.