GLC-LH-SMD= Cisco 1000BASE-LX/LH SFP Transceiver Module, MMF/SMF, 1310nm, DOM

Cisco Unified IP Conference Phone 8831

Features and Benefits
The Cisco Unified IP Conference Phone 8831 offers many improvements. New features include:
● Superior wideband acoustics with the first two-element speaker in a conference phone; this feature allows
the phone to capture the full voice spectrum without having to compromise with a single-element speaker
● Expanded room coverage with support for daisy chaining two units
● Support for optional DECT wireless extension microphone: sold separately
● Session Initiation Protocol (SIP) signaling
● Device authentication and signaling encryption using Transport Layer Security (TLS) with Advanced
Encryption Standard 128 (AES-128)
● Media encryption using Secure Real-Time Transport Protocol (SRTP) with AES-128

Feature Specification
Features
Superior wideband acoustics ● 160 Hz to 20 kHz, +/-3 dB.
● The latest in wideband codecs for maximum voice bandwidth.
● Enhanced speech quality and speaker recognition.
Output 92-dB SPL peak output*
Expanded room coverage ● 160-degrees conical pattern provides even coverage of listening area.
● Four Hemi-Cardioid microphones are perfectly spaced so that they combine to provide a 180-degree pickup pattern around the device. Speech is captured at the same level at all points around the Cisco Unified IP
Conference Phone 8831.
● Ability to grow to fit a variety of room needs
◦ Small Office (base unit)
◦ Standard Conference Room (base unit and 2 wired or wireless extension microphones)
◦ Boardroom (daisy chaining two base units)
◦ Large Boardroom (daisy chaining two base units and 2 wired or wireless extension microphones)
Microphone Accessory Options
Wired microphone These microphones extend the operational range of the Cisco Unified IP Conference Phone 8831 with even
coverage around the periphery of the device with 7 feet of additional reach.
Wireless microphone DECT wireless microphones for the Cisco Unified IP Conference Phone 8831 provide additional coverage with
the added flexibility of 300 feet of range.
Wired control panel The panel allows easy control of the unit and viewing of the display without having to move the entire unit.
Power Features
IEEE 802.3af line power Local power supply is not required.
Cisco Power Cube 3 This power cube uses a standard Cisco Unified IP Phone Power Supply for non-Power over Ethernet (PoE)