---
product_id: 13700076
title: "Cisco IP Phone CP-7821-K9 Charcoal,Black"
brand: "cisco"
price: "€ 332.88"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/13700076-cisco-ip-phone-cp-7821-k9-charcoal-black
store_origin: ES
region: Spain
---

# 2-line multitasking wideband audio clarity grayscale high-res display Cisco IP Phone CP-7821-K9 Charcoal,Black

**Brand:** cisco
**Price:** € 332.88
**Availability:** ✅ In Stock

## Summary

> 📞 Elevate your desk game with the CP-7821-K9 — where clarity meets control.

## Quick Answers

- **What is this?** Cisco IP Phone CP-7821-K9 Charcoal,Black by cisco
- **How much does it cost?** € 332.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/13700076-cisco-ip-phone-cp-7821-k9-charcoal-black)

## Best For

- cisco enthusiasts

## Why This Product

- Trusted cisco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hands-Free Power:** Built-in speakerphone lets you communicate effortlessly while staying mobile.
- • **Instant Access Keys:** Dedicated fixed keys for messaging, directory, and speakerphone boost your productivity.
- • **Crystal Clear Viewing:** High-resolution grayscale display ensures easy readability and quick navigation.
- • **Double Your Efficiency:** Manage two calls simultaneously with dual-line support for seamless multitasking.
- • **Superior Audio Quality:** Wideband audio delivers crisp, clear sound whether on handset, speaker, or headset.

## Overview

The IP Phone CP-7821-K9 Charcoal, Black is a professional-grade, networkable desk phone featuring dual-line operation, a high-resolution grayscale display, and dedicated fixed keys for streamlined communication. It supports hands-free speakerphone use and wideband audio for superior sound clarity, making it ideal for efficient office environments.

## Description

IP Phone CP-7821-K9 Charcoal,Black

## Features

- two-lines deliver more efficient call handling.
- high-resolution graphical grayscale display makes viewing easier.
- dedicated fixed keys (includes messaging, directory, speaker, and a two-way navigation button) ease communications for increased productivity.
- built-in speakerphone supports hands-free communications.
- wideband audio enhances clarity with the handset, speaker, or a headset.
- Connectivity technology: Networkable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GYM46KS |
| Answering System Type | Digital |
| Best Sellers Rank | #235,177 in Office Products ( See Top 100 in Office Products ) #367 in VoIP Phones |
| Brand | Cisco |
| Built-In Media | IP Base |
| Color | Black |
| Compatible Devices | Cisco on-premises, hosted, Spark Cloud, third-party hosted call control platforms, CDP, 802.1q/p standards, Ethernet devices, PoE compatible devices |
| Conference Call Capability | 2 way |
| Customer Reviews | 2.9 out of 5 stars 43 Reviews |
| Dialer Type | Single Keypad |
| Enclosure Material | Plastic |
| Global Trade Identification Number | 04053162392854, 07427457249241 |
| Is there Caller ID | Yes |
| Item Dimensions | 11 x 3 x 12 inches |
| Item Height | 12 inches |
| Item Type Name | Cisco CP-7821-K9 7821 IP Phone, Cable, Wall Mountable |
| Item Weight | 1.12 Kilograms |
| Manufacturer | Cisco Traders 1824990 |
| Multiline Operation | Multi-Line Operation |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Phone Standby Time | 10 hours |
| Phone Talk Time | 1 Hours |
| Power Source | Corded Electric |
| Recording Capacity | 16 Minutes |
| Telephone Type | Corded |
| UPC | 698833040104 014445185956 808113000210 804067316339 809395316891 696732677292 799198470442 804904119697 096962256593 882658621840 716252413504 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Limited Hardware Warranty |

## Product Details

- **Brand:** Cisco
- **Color:** Black
- **Telephone Type:** Corded
- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Material:** Plastic
- **Power Source:** Corded Electric
- **Dialer Type:** Single Keypad
- **Item dimensions L x W x H:** 11 x 3 x 12 inches
- **Answering System Type:** Digital
- **Item Weight:** 1.12 Kilograms

## Images

![Cisco IP Phone CP-7821-K9 Charcoal,Black - Image 1](https://m.media-amazon.com/images/I/71aCaBb-GPL.jpg)

## Questions & Answers

**Q: Does voip work if I have poor internet reception?**
A: Your internet has nothing to do with it. VoIP is is how you connect and talk on your local network

**Q: the CP-7821 is unable to setup. can you please tell me if its unlocked?**
A: Hello Hossain,

What call control system you're using to configure the phone? Make sure it is on of the following supported by the 7800 series phones:
- Cisco Unified Communications Manager
- Cisco Business Edition 6000
- Cisco Hosted Collaboration Solution
- Cisco Unified Survivable Remote Site Telephony

Thanks

**Q: do you have smartnet for this phone? price smartnet?**
A: This phone is SMARTnet eligible but I do not have SMARTnet.  I think it's $5-8 per phone for SMARTnet though.

**Q: This ip telephone includes the license to operate with an existing cisco call manager switch?**
A: Yes, it's inbuilt

## Frequently Bought Together

- Cisco IP Phone CP-7821-K9 Charcoal,Black
- Cisco Wall Mount for IP Phone CP-7800-WMK=,Black

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**Shop now:** [https://www.desertcart.es/products/13700076-cisco-ip-phone-cp-7821-k9-charcoal-black](https://www.desertcart.es/products/13700076-cisco-ip-phone-cp-7821-k9-charcoal-black)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-12*