Hardware Features
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Ergonomic design
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● The phone offers an easy-to-use interface and provides a traditional telephony-like user experience.
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Graphical display
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● White backlit, greyscale, 3.5” 396×162 pixel-based display on the IP Phone 7821, 7841 and 7861.
● Non-backlit, greyscale, 3.28” 384×106 pixel-based display on the IP Phone 7811.
● Provide scrollable access to calling features and text-based XML applications.
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Handset
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● The handset is a standard wideband-capable audio handset (connects through an RJ-9 port) for the IP Phone 7821, 7841 and 7861.
● The default handset is a standard narrowband-capable audio handset (connects through an RJ-9 port) for the IP Phone 7811, and wideband on handset is available with purchase of additional wideband handset.
● The handset 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.
● The narrowband handset (for the IP Phone 7811) produces a magnetic field that attracts small metallic objects such as pins and staples. To avoid possible injuries do not keep small metallic objects close to the handset.
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Headset
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● The analog headset jack is a standard wideband-capable RJ-9 audio port for the IP Phone 7821, 7841, and 7861.
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Backlit Indicator
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● The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting.
● Headset key is not available on the IP Phone 7811.
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Volume control
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● A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer.
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Full duplex speakerphone
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● Full-duplex speakerphone allows gives 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.
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Bezel
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● The IP Phone 7821, 7841 and 7861 include a default black bezel (replaceable), and an optional silver bezel is also available separately.
● The IP Phone 7811 is available with a black bezel.
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Dual-position foot stand
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● The display is easy to view and the buttons and keys are easy to use. The two-position foot stand supports viewing angles of 30 degrees and 45 degrees; you can remove the foot stand for wall mounting, with mounting holes located on the base of the phone. (IP Phone 7821, 7841 and 7861)
● Only 1 foot-stand position (45 degrees) is supported on the IP Phone 7811.
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Wall-mountable
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● The phone can be installed on a wall using optional wall-mount kit (available separately).
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Electronic hook switch
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● The hookswitch can be controlled electronically with a third party headset connected to the auxiliary port for the IP Phone 7821, 7841, and 7861.
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Keys
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● The phone has the following keys
◦ Line keys
◦ Soft-keys
◦ Two-way navigation and select keys
◦ Hold/Resume, Transfer and Conference keys
◦ Messaging, Service and Directory keys
◦ Standard key pads
◦ Volume control toggle key
◦ Speakerphone, headset and mute keys (Headset key is not available on the IP Phone 7811)
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Ethernet cables
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● The IP Phone 7811, 7821, 7841, and 7861
◦ Category 3/5/5e/6 for 10-Mbps cables with 4 pairs
◦ Category 5/5e/6 for 100-Mbps cables with 4 pairs
● The IP Phone 7841
◦ Category 5/5e/6 for 1000-Mbps cables with 4 pairs
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Power Features
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IEEE PoE class 1
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● The phone supports IEEE 802.3af PoE (Class 1); power consumption does not exceed 3.84 watts.
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Cisco power cube 3
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● This power cube is used as a standard Cisco IP Phone Power Supply for non-PoE deployments.
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Cisco power injector
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● The IP Phone 7811, 7821 and 7861 are compatible with Cisco Unified IP Phone Power Injector (CP-PWR-INJ), and 7841 is compatible with Cisco Aironet Power Injector (AIR-PWRINJ5=).
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Call-Control Support
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Cisco Unified Communications Manager
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● 8.5.1
● 8.6.2
● 9.1.2
● 10.x and later
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Cisco Business Edition 6000
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● 8.6.2
● 9.1.2
● 10.x and later
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Cisco Hosted Collaboration Solution
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● 8.6.2 and later (using supported UCM versions above)
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Cisco Unified Survivable Remote Site Telephony
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● 8.x and later
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