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CP-7821-K9 Overview
The Cisco IP Phone 7821 is designed for small to large businesses. It delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience on Cisco on-premises and hosted infrastructure platforms and third party hosted call control.
Quick Specs
Table 1 shows the Quick Spec.
| Product Code | CP-7821-K9 |
| Screen | 384 x 106 pixel (3.28 in. / 83.3 mm) |
| Ethernet Switch | 10/100 |
| Programmable Line Keys | 2 |
| Full Duplex Speakerphone | Yes |
| Number of Line Keys | 2 |
| Wideband Audio | Yes |
| PoE Class | 1 |
| Third-party Call Control | Yes |
| Replaceable Bezel | Yes |
| Package Weight | 1.7 Kg |
Product Details
Before you use the Cisco IP Phone 7821, it should be connected to the corporate IP telephony network.
Note:
? AC power wall plug (optional)
? Network port (10/100 SW) connection. IEEE 802.3af power enabled
? Access port (10/100 PC) connection
? Auxiliary port (optional)
? Handset connection
? Analog headset connection (optional)
Note:
? Handset light strip
? Programmable feature buttons
? Phone screen
? Softkey buttons
? Navigation and Select button
? Hold/Resume button
? Conference button
? Transfer button
? Speakerphone button
? Headset button
? Mute button
? Keypad
? Volume button
? Contacts button
? Applications button
? Messages button
? Handset
Compare to Similar Items
Table 2 shows the comparison of Cisco IP Phone 7811, 7821, 7841 and 7861.
| Model | CP-7811-K9 | CP-7821-K9 | CP-7841-K9 | CP-7861-K9 |
| Ethernet switch | 10/100 | 10/100 | 10/100/1000 | 10/100 |
| Programable line keys | 0 | 2 | 4 | 16 |
| Number of Line Keys | 0 | 2 | 4 | 16 |
| Full duplex speakerphone | Yes (narrowband) | Yes | Yes | Yes |
| PoE Class | 1 | 1 | 1 | 1 |
| Third-party call control | Planned | Yes | Yes | Yes |
| Replaceable bezel | N/A | Yes | Yes | Yes |
