Top 9 Cisco IP Phone 7821 – VoIP Phones

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1. Cisco


Cisco IP Phone CP-7821-K9 Charcoal,Black

Cisco #ad - Two-lines deliver more efficient call handling. High-resolution graphical grayscale display makes viewing easier. Built-in speakerphone supports hands-free communications. Dedicated fixed keys includes messaging, directory, speaker, and a two-way navigation button ease communications for increased productivity. Wideband audio enhances clarity with the handset, speaker, or a headset.
BrandCisco #ad
Height3.15 Inches
Length11.02 Inches
Weight2.47 Pounds
Width9.45 Inches
Part NumberCP-7821-K9=
Warranty1 Year Limited Hardware Warranty



Cisco CP-7821-K9 UC Phone 7821New Open Box Renewed

CISCO DESIGNED #ad - This certified refurbished product is tested and certified to look and work like new. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.

Com. Two-lines deliver more efficient call handling. Dedicated fixed keys includes messaging, directory, speaker, and a two-way navigation button ease communications for increased productivity. The product ships with all relevant accessories, inspection, basic cleaning, and may arrive in a generic box. Built-in speakerphone supports hands-free communications. High-resolution graphical grayscale display makes viewing easier. The refurbishing process includes functionality testing, a minimum 90-day warranty, and repackaging.
Height12 Inches
Length11 Inches
Width3 Inches
Part NumberCP-7821-K9
Warranty90 days limited warranty

3. The VoIP Lounge


The VoIP Lounge Replacement 48V Power Supply for Cisco 7900 7800 and 6900 Series IP Phone with AC Power Cord

The VoIP Lounge #ad - Brand new - Individually Boxed. Not compatible with all Cisco IP phones. Compatible with 6911, 7841, 8941, 6921, 7861, 6961, 6941, 8831, 7821, 8945. Replacement for cp-PWR-CUBE-3=. Please see full description below. Compatible with 7902g, 7911g, 7945g, 7961g and 7961g-ge, 7916, 7965g, 7914, 7941g and 7941g-ge, 7970g, 7906g, 7915, 7940 and 7940g, 7942G, 7962G, 7971g-ge, 7960 and 7960g, and 7975G.
BrandThe VoIP Lounge #ad
ManufacturerThe VoIP Lounge #ad
Height2.5 Inches
Length6.6 Inches
Weight0.6 Pounds
Width3.2 Inches

4. Cisco


Cisco Replacement Footstand for Cisco IP Phone 7821 and 7841 Footstand Only – Spare, 1-Year Limited Liability Warranty CP-7800-FS=

Cisco #ad - Installation options: the two-position footstand is used for the iP Phone desk surface placement. Compatibility: footstand for Cisco IP Phone 7821 and 7841.

Original replacement part: this is a spare replacement part built to the same specifications as the original footstand for the IP Phone 7821 and 7841; IP phone sold separately. Design & usability: the two-position footstand supports viewing angles of 35 or 45 degrees to ensure the IP Phone display is easy to view, and the buttons and keys are easy to use in different usage configurations. Peace of mind: Covered by a 1-year limited liability warranty. Alternatively, the ip phone 7821 and 7841 can be wall-mounted using the optional part# CP-7800-WMK= sold separately.
BrandCisco #ad
Height2.5 Inches
Length9.63 Inches
Weight0.52 Pounds
Width7.4 Inches
Part NumberCP-7800-FS=
Warranty1 Year Limited Hardware Warranty

5. MKJ


Cisco Phone Headset Corded RJ9 Telephone Headset with Noise Cancelling Microphone for Cisco CP-7821 7841 7942G 7931G 7940 7941G 7945G 7960 7961G 7962G 7965G 7970 7971 7975G 8811 8841 8861 9951 etc …

MKJ #ad - It is a guarantee for those who takes a large volume of call every day, telemarketing workers etc. Productivity & extended comfort: call center telephone headset with microphone allows you to work efficiently and comfortably - you can concentrate on the conversation while working on the computer during conference calls. Hearing protection: this telephone headset with built-in hearing protection circuit will provide users with safe and comfortable audio experience.

Crystal clear chat: specially designed headset for phones provides high-definition and crystal-clear communication, and noise cancelling microphone blocks out unwanted background noise and pick up loud and clear sound which makes you feel that you are having a face to face conversation. Rj9 headset compatibility: this corded desk phone headset with rj9 jack only works with phones with rj9 headset jack, 7942g, 7960, such as CP-7821, 7945G, 7941g, 7961, 7931g, 7962g, 7841, 7965G, 7861, 7940, 7975G etc. Great durability: high-end materials and durable construture ensure the wired office phone headset to withstand the constant demands of all-day use in busy environments.

It protects you from long term daily sudden sound burst, customer service, including call center agent, any sound above 118db is filtered out. Please see in product descriptION for compatibility guide or contact us directly. Stainless steel headband, reliable plastic parts make this headset durable enough even for 24/7 busy environment. What's more, single earpiece headset can be worn on either side and you can still communicate with your colleague while wearing it. Adjustable headband will fit all sizes head and the soft ear cushion ensures added comfort even for long-time wearing.
BrandMKJ #ad
ManufacturerMeikajia #ad
Height1.57 Inches
Length5.31 Inches
Width6.69 Inches
Part NumberMKJ810QD002C

6. daily headset


RJ9 Cisco Corded Office HD Voice Phone Headset for Cisco IP Phones 6851 6861 7945g 7962g 8811 8841 8845 8851 8861 8961 9951 Series Model,Plus 3.5mm Connector Binaural

daily headset #ad - Ergonomic and professional binaural headset wide band audio with noise cancellation microphone. Compatible with cisco ip phone models: 6941 6945 6961 7821 7841 7861 7931g 7940 7940g 7941 7941g 7942 7942g 7945 7945g 7960 7960g 7961 7961g 7962 7962g 7965 7965g 7970 7970g 7971 7971g 7975 7975g 8811 8841 8845 8851 8861 8865 8941 8945 8961 9951 9971.

Acoustic shock protection to protect your hearing, keep the sound level in the safe range. Lightweight comfortable durable headset. Quality comfortable adjustable headband to fit your head size. An extra 3. 5 mm headphone jack cable. Offer tWO years warranty. One more spare ear cushion in package. Also compatible with plantronics M22 M12 MX10 M10 amplifier. Quick disconnect rj9 cisco headset adapter same function as U10 adapter cable.

Strong plastic mic boom 330° rotation enable you to find perfect position what you want. If you are not sure compatibility, please contact us to Click to the seller iAmoy on the product page for one to one service. It is your ideal hands free office phone headset for Cisco phones. Perfect sound quality, hd voice audio sound and noise cancelling microphone to reduce background noise for clear communication.
Branddaily headset #ad
ManufacturerDailyHeadset #ad
Height6.69 Inches
Length6.3 Inches
Weight0.19 Pounds
Width2.36 Inches
Part Number827035QD002RJ
WarrantyAll labor cost covered for 24 months from the date of purchase.

7. Cisco


3.5-inch Grayscale Display, Class 1 PoE, Cisco IP Phone 7821 with Multi-Platform Phone Firmware, Supports 2 Lines CP-7821-3PW-NA-K9=

Cisco #ad - Note: this device is optimized for Cisco Webex Calling. Fixed function keys: one-touch access to service, messaging, hold/resume, directory, transfer, and conference features. Optimal performance: class 1 poe with 10/100BASE-T Ethernet connection through two RJ-45 ports. Cisco webex subscription to be purchased separately. Compatibility: integrates with other industry-leading call control platforms that may require additional licenses or services. Fully programmable: set up line keys to support either lines, such as directory numbers, or call features like speed dialing.
BrandCisco #ad
Height8.1 Inches
Length1.1 Inches
Weight1.91 Pounds
Width8.1 Inches
Part NumberCP-7821-3PW-NA-K9=
WarrantyCisco one-year limited hardware warranty

8. VoiceJoy


9971 etc, Corded RJ9 Phone Headset Binaural with Noise Canceling Microphone ONLY for Cisco IP Phones: Such as 7942 7971 8841,8845, 8961, 8861,8945, 9951, 8851

VoiceJoy #ad - For other phones, please contact us for Compatibility Guide or Advice. Comfortable headset: super lightweight office telephone RJ headset with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort.

Only compatible with plantronics m10, 7975g cisco ip 8811, 7945, 7975, 7941, m22 & mx10 amplifiers and cisco ip phone models : cisco ip 6921, 8945, 9951, 6941, 7970g, 7961, 7971g, 7945g cisco ip 7960, 8841, 6961, 7841, 6945, 7961g, 8941, 7940g, 7960g, 7941g, 7962g, 7962, 8961, 8861, 7942G, 7965, 7942, m12, 7971, 8851, 7861 cisco ip 7940, 7821, 7965g cisco ip 7970, 9971. Super durable: precision design, quality plastics, unibody headband construction, superior quality?microphone makes this call center headset sturdier and more durable.

Attentiono: not compatible with cisco spa phone series and models 7911 7912 7811. Only works for some specific phone models listed above. High sound quality for clear communication: wideband Sound telephone headset enables natural listening experience, features Noise Canceling Microphone to reduce background noise, Acoustic Shock Protection Circuit to protect your hearing.
BrandVoiceJoy #ad
ManufacturerVoiceJoy #ad
Height1.61 Inches
Length7.6 Inches
Width5.51 Inches
Part NumberVoiceJoy-62

9. VoiceJoy


8851, 8861,8945, 9971 etc, 8961, Corded RJ9 Phone Headset with Noise Canceling Microphone ONLY for Cisco IP Phones: Such as 6941 7942 7971 8841,8845, 9951

VoiceJoy #ad - Noise proof microphone, to increase the voice clarity. For other phones, pls contact us for Compatibility Guide or Advice. Only works for some specific phone models listed above.

Not compatible with cisco spa phone series. Comfortable wear, compact appearance, human engineering design, Can be uninterruptible using. The headset clip can be stretched freely and comfortable wear. Only compatible with plantronics m10, 7965, 7941, 9951, 8841, 7962g, 7961g, 7940, 7975, 7971, 7971g, 7861 cisco ip 7931g, 7965g cisco ip 7970, 6945, 7942, 7960g, 6941, 7970g, 7841, 7961, 7821, 8961, 7941g, 7945, m12, 8945, 8941, 7975g cisco ip 8811, 6961, 8861, 7962, m22 & mx10 amplifiers or cisco ip phone models : cts 500 cisco ip 6921, 7942g, 7940G, 8851, 7945g cisco ip 7960, 9971 or AVAYA CALLMASTER V VI. 150ohms speaker, to ensure the perfect voice quality.
BrandVoiceJoy #ad
ManufacturerCallTek #ad
Part NumberCT-30