Superior wideband acoustics with the first two-element speaker in a conference phone</br>Expanded room coverage with support for daisy chaining two units</br>Support for DECT wireless extension microphones</br>Session Initiation Protocol (SIP) signaling</br>Device authentication and signaling encryption using Transport Layer Security (TLS) with Advanced Encryption Standard 128 (AES-128)</br></br>Product Description</br></br>The Cisco Unified IP Conference Phone 8831 enhances people-centric communications?? combining superior high-definition (HD) audio performance and 360-degree coverage for all sizes of conference rooms and executive offices. It provides an audiophile sound experience with a full-duplex two-way wideband (G.722) audio hands-free speaker. The IP Conference Phone 8831 is a simple?? scalable solution that meets the challenges of the most diverse rooms. It provides flexible deployment options and expansion by using extension microphones that can be wired or wireless (Digital Equipment Cordless Telephone) with a daisy-chain configuration of two units. The IP Conference Phone 8831 has an industrial desi