These SEVEN Cisco ATA 191 Multiplatform Analog Telephone Adapters are brand new and in the box. They’re a2-port handset-to-ethernet adapters.
* VERSATILE: IP phone adapter brings traditional analog devices into the IP world.
* AUDIO: Clear, natural-sounding voice quality via advanced preprocessing, high-performance echo cancellation, voice activity detection, and comfort noise generation.
* SECURITY: Supports the latest encryption with Transport Layer Security (TLS), Secure Hash Algorithm (SHA-2) and new Secure Real-time Protocol (sRTP) cipher suites.
* HARDWARE: Two RJ-11 FXS ports and one 10/100 Mbps RJ-45 Ethernet port.
Compatible Devices:
Devices compatible with Cisco UCM Versions 8.5(1), 8.6(2), 9.1(2), 10.0(1) and later, supporting SIP and SRTP/TLS over SIP