Meet the needs of both information workers and managers who have occasional-to-light voice communications requirements with the cisco IP Phone 7821. Key features and capabilities, which enhance user experience and IT administration include: User Experience Enhancing Collaboration; Two-lines deliver more efficient call handling; High-resolution graphical grayscale display makes viewing easier; Dedicated fixed keys ease communications for increased productivity; Built-in speakerphone supports hands-free communications; Wideband audio enhances clarity with the handset, speaker, or a headset. Simple, Cost-Effective Administration. Key features to ease and reduce costs of administration include: Cisco on-premises, hosted, Spark Cloud and third-party hosted call control platforms offer deployment flexibility; Cisco Expressway supports remote worker single sign-on access without a VPN client; Power over Ethernet (PoE) Class 1 and Cisco EnergyWise lowers energy costs; Integrated IEEE 10/100 switch reduces installation costs and footprint at the desk; Spark Phone OS consolidates administration with common software to both the IP Phone 7800 Series and IP Phone 8800 Series.

Key features

• Programmable Line Keys

  You can set up keys to support either line, such as directory numbers, or call features like speed dialing. You can also boost productivity by handling multiple calls for each directory number using the multi-call per-line appearance feature. Tri-color LEDs on the line keys support this feature and make the phone simpler and easy to use.
  Fixed Function Keys

  Give you one-touch access to service, messaging, directory, hold/resume, transfer, and conference features.
  Ergonomic Design

  The phone offers an easy-to-use interface and provides a traditional telephony-like user experience.
  Graphical Display

  The white backlit grayscale display provides scrollable access to calling features and text-based XML applications. Localized language support, including right-to-left onscreen text, meets the needs of global users.
  Handset

  The handset is a standard wideband-capable audio handset (connects through an RJ-9 port) that is hearing aid-compatible (HAC) and meets Federal Communications Commission (FCC) loudness requirements for the Americans with Disabilities Act (ADA). You can achieve Section 508 loudness requirements by using industry-standard inline handset amplifiers such as Walker Equipment W-10 or CE-100 amplifiers. The dial pad is also ADA-compliant.
  Backlit Indicator

  The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting.
  Volume Control

  A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer.
  Full-Duplex Speakerphone

  Allows you flexibility in placing and receiving calls. For added security, the audible dual tone multifrequency (DTMF) tones are masked when the speakerphone mode is used.
  Bezel

  Includes a replaceable default black bezel. An optional silver bezel is also available separately.
  Dual-Position Foot Stand

  The two-position foot stand supports viewing angles of 30° and 45°. You can remove the foot stand for wall mounting, with mounting holes located on the base of the phone.
  Wall-Mountable

  The phone can be installed on a wall using an optional wall-mount kit (available separately).
  Electronic Hook Switch

  The hookswitch can be controlled electronically with a third party headset connected to the auxiliary port.
  Multiple Ring Tones

  The phone supports user-adjustable ring tones.
  Directories

  The phone identifies incoming messages and categorizes them for users on the screen. This makes it fast and easy to return calls using direct dial-back capability. The corporate directory integrates with the Lightweight Directory Access Protocol (LDAP) standard directory.
  Quality-of-Service (QoS) Options

  The phone supports CDP and 802.1q/p standards, and can be configured with an 801.1q VLAN header containing the VLAN ID overrides configured by the admin VLAN ID.
  Configuration Options

  The user can configure IP address assignment statically or through the DHCP client.
  Ethernet Switch

  The phone has a 10/100BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for a downstream Ethernet device connection like a PC.
  Power Requirements

  The phone is an interoperable IEEE 802.3af PoE (Class 1 device); 48 VDC is required. Power can be supplied locally at the desktop using an optional AC-to-DC power supply (CP-PWR-CUBE-3=). Use of the power supply also requires the use of one of the corresponding AC country cords.