Cisco 7821 IP Phone
In today’s dynamic business landscape, effective and top-notch communication standards are paramount. The Cisco 7821 presents a comprehensive range of professional communication features, delivering exceptional quality and value for businesses seeking cutting-edge solutions that meet their modern requirements.
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Sign up today and receive 2 Months on Telex
Save up to 60% by making the switch to Telex today
Product Details
Excellent Audio Quality
Experience exceptional voice communication with the high-fidelity wideband audio and advanced echo cancellation technology, ensuring outstanding audio quality. Make a lasting impression during phone conversations with crystal-clear sound
Efficient, Flexible and Easy-to-use.
Enjoy effortless operation and clear visibility of essential features and caller information with the high-resolution display featuring backlight and greyscale. Stay productive and hands-free with the full-duplex speakerphone, allowing you to make and receive calls with ease while focusing on your work
Modern Features for Modern Companies
Experience the power of streamlined international communications and efficient unified communications capabilities with the Cisco 7811. Packed with advanced features including localised language support, this phone simplifies communication and enhances productivity
Good for you and the Environment.
The Cisco 7811 incorporates Cisco EnergyWise technology, promoting energy efficiency and environmental sustainability. This IP Phone has earned the Energy Star certification, further highlighting its commitment to reducing energy consumption and environmental impact.
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Technical Specifications
Full lines supported
- 1 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-customisable, or system administrator-customisable 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)
- NAPTR
- NAT, STUN
- 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 Presenc
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
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