Cisco ATA188-I1-A 188 2-Port Analog Telephone Adaptor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Supports 2 voice ports， each with its own independent telephone number</li><li>Internal Ethenet switch allows for a collocated PC connection</li><li>Connects legacy telephones to IP-based networks</li><li>Flexible configuration and provisioning options</li><li>Clear， natural-sounding voice quality</li><li>Supports multiple protocols for interoperability and deployment flexibility (SIP and SCCP)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/110ToSD95zL.jpg" noproxy>