Cisco 7821


The Cisco 7821 is a high-quality business IP phone that provides reliable and secure communication.

Product details
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Shipping: 4.82 €
1-3 business day delivery
Cisco 7821
  / month
Monthly payment One time payment
Fast and free delivery in 1-3 business days
Fair and easy returns during rental period
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Product details
Professional telephony for your enterprise communication.

Today's business environment requires efficient and high-quality communication standards. The Cisco 7821 offers professional communication functions in the best quality and at an attractive price. And meets the requirements of modern businesses.

An excellent audio quality.

The high-quality wideband audio and outstanding echo cancellation ensure excellent audio quality for voice communication. So you can make the best impression on the phone.

Efficient. Flexible. Easy-to-use.

The high-resolution display with backlight and greyscale allows easy operation and overview of the most important features and caller info. Thanks to the full-duplex speakerphone, you have the flexibility to make and receive calls while keeping your hands free for work.

Modern features for modern companies.

Packed with advanced features such as localized language support to streamline international communications and unified communications capabilities, the Cisco 7821 makes communication simple and efficient.

Good for you and the environment.

The Cisco 7821 supports Cisco EnergyWise™ technology, which makes it more energy efficient and environmentally friendly. The IP Phone is also qualified by the Energy Star organisation.

Technical details

Full lines supported
2 lines (SIP registrations)
Audio features
  • Codecs: G.711 (A-law and m-law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS, Narrowband Opus
  • DTMF: In-band, out-of-band (RFC 2833), and SIP INFO
  • Early Media and Preconditions
  • MOS Score Reporting (Telchemy)
  • The 7800 series provides exceptional noise isolation when used with a Cisco 500 Series Headset. The analog headset jack is a wideband-capable RJ-9 audio port for the 7821.
Telephony features
  • Busy Lamp Field (BLF)
  • Call back on busy
  • Call blocking – anonymous and selective
  • Call conferencing
  • Call forwarding – unconditional, no answer, on busy
  • Call hold, park and unpark 1
  • Call park monitoring via the BLF list
  • Call pickup – selective and group
  • Call transfer – attended or blind
  • Call waiting
  • Caller ID mapping for incoming calls
  • Caller ID name and number and outbound caller ID blocking
  • Configurable dial plan and numbering plan support with inter-digit timers – per line
  • Configurable supplementary services soft keys
  • Distinctive ringing based on calling and called number
  • Do not disturb
  • Early Media and Preconditions (Cisco BroadWorks R23 feature support)
  • Emergency Call Support
  • Extension mobility, Hot-Desking, Hoteling, Activity Based Workspace
  • Group paging
  • Individual volume setting per audio path (headset, handset and speaker)
  • Intercom
  • Multicast paging
  • Music on hold
  • Outbound caller ID blocking
  • PLKs: Other than the primary line assignment on the first line key, the other keys may be configured as user-customizable, or system administrator-customizable PLKs
  • Shared line and bridged line appearance
  • Supplementary services feature activation codes
  • Voice Message Waiting Indicator (VMWI)
  • Voice Mail Monitoring via a PLK
Network features
  • Cisco Discovery Protocol
  • DHCP (RFC 2131)
  • DHCP VLAN Options
  • DNS: A record (RFC 1706), SRV record (RFC 2782)
  • Global Discovery Services (GDS)
  • HTTPs Support for XSI Services
  • IPv4 (RFC 791)
  • IPv6 (RFC 2460): System Interoperability Testing Required
  • LLDP
  • MAC address (IEEE 802.3)
  • Peer Firmware Sharing
  • SIP support (RFC3261 and companion RFCs)
  • SNTP (RFC 2030)
  • TR.69 Provisioning: System Interoperability Testing Required
  • UDP and TCP
  • Voice and Video Priority Configuation
  • Zero Touch Provisioning
Security features
  • 802.1X authentication
  • Automatic Secure Call
  • Configurable Ciphers
  • Customer Device Activation (CDA: formerly known as EDOS) Certificate Upload and Encryption Hash Selection
  • Digest authentication
  • Encrypted configuration files
  • FIPS 140-2
  • HTTPs secure provisioning
  • Mandatory/Optional Secure call
  • Media encryption via SRTP with AES-128 or AES-256
  • Password login
  • Stateful Firewall
  • TLS v1.2
Cisco applications
  • BroadWorks
  • Cisco Problem Reporting Tool (PRT) with local and remote initiation
  • Cisco XML XSI
  • Multicast Paging
  • Remote SDK
  • UC-One Presence
Language support
Bulgarian, Catalan, Chinese, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Slovak, Swedish, Slovenian, Turkish
Why Rent?
Cost Effective
Meet your business needs without going overbudget with attractive monthly rates. No hidden costs.
Fully Covered
Receive immediate help and if applicable a hardware replacement in less than 48 hours.
Latest Technology
Have access to best-in-class devices and scale your tech stack the same way your business grows.