Cisco CP-7821-K9=
UP Phone 7821.
Key facts
Overview
Cisco UP Phone 7821.
The Cisco IP Phone 7800 Series is a cost-effective, high-fidelity voice communications portfolio designed to improve your organization's people-centric communications, while reducing your operating costs.
It combines an attractive new ergonomic design with "always-on" reliability and secure encrypted communications. The Cisco IP Phone 7800 Series delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience.
- Uses VoIP technology to transfer audio signals over the Internet while circumventing high toll charges by telephone companies
- With PoE port, transfer data and power on a single cable to places where a power outlet is absent
- Enjoy superior voice communications while retaining the convenience and user-friendliness over Internet
Specifications
General
- Input Voltage
- 48 V DC
- Package Contents
- IP Phone 7821Black Bezel
- Product Color
- Charcoal
- Color Family
- Grey
- Display Color
- Monochrome
- Screen Resolution
- 396 x 162
- Backlight
- Yes
- Speakerphone
- Yes
- Voice Codec
- G.711a
G.729ab
- Features
- Multilingual Menu
Call History
- IP Phone Technology
- VoIP
- Total Number of Phone Lines
- 2
- Caller ID
- Yes
- Base Unit Connectivity Technology
- Corded
- Number of Network (RJ-45) Ports
- 2
- Network (RJ-45)
- Yes
- PoE (RJ-45) Port
- Yes
- Communication Protocols
- SRTP
SIP
- Quality of Service
- 802.1p/q
- Product Type
- IP Phone
Manufacturer Website Address
- Manufacturer
- Cisco Systems, Inc
- Product Model
- 7821
- Product Name
- IP Phone 7821
- Product Series
- 7800
- Brand Name
- Cisco
- Buttons & Keys Type
- Volume Control
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 960.01≈ USD 675
- Oct 2026
- Lowest recorded
- AUD 960.01≈ USD 675
- Highest recorded
- AUD 960.01≈ USD 675
- Recorded
- 2026
- 1 price point
- RRP
- Prology AU
USD 43 on Prology US, recorded
Buy or sell Cisco CP-7821-K9=
Buying Cisco IP phones
Prology stocks the Cisco CP-7821-K9= from USD 43 on Prology AU and Prology US. Need more than one, or a different condition? Request a quote for volume pricing.
Selling Cisco IP phones
Have a spare or decommissioned CP-7821-K9=? Prology buys used and surplus Cisco IP phones — single units or whole lots — and replies with an offer within 1 business day. Sell your CP-7821-K9=.
- What is the Cisco CP-7821-K9=?
- The Cisco CP-7821-K9= is a Cisco IP phone – UP Phone 7821..
- How much does the Cisco CP-7821-K9= cost?
- The reference price on record is AUD 960.01 (Oct 2026). It is a reference figure, not a selling price — the live price is on the Prology store page.
- Where can I buy the Cisco CP-7821-K9=?
- It is listed on Prology AU and Prology US. Use the “View on Prology” button above for live price, condition and stock, or request a quote for volume pricing.
- Can I sell a used Cisco CP-7821-K9=?
- Yes. Prology buys used and surplus Cisco IP phones, including the CP-7821-K9=. Get an offer — sell outright or trade in against your next order.
Request a quote for CP-7821-K9=
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.