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① | Handset light strip | ② | Programmable feature buttons |
③ | Phone screen | ④ | Softkey buttons |
⑤ | Navigation and Select button | ⑥ | Hold/Resume button |
⑦ | Conference button | ⑧ | Transfer button |
⑨ | Speakerphone button | ⑩ | Headset button |
⑪ | Mute button | ⑫ | Keypad |
⑬ | Volume button | ⑭ | Contacts button |
⑮ | Applications button | ⑯ | Messages button |
⑰ | Handset |
Screen | 384 x 106 pixel (3.28 in. / 83.3 mm) |
Ethernet Switch | The phone has a 10/100BASE-T or a 10/100/1000BASE-T |
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 |
Physical dimensions (H×W×D) | IP Phone 7821: 207 x 206 x 28mm (exclude foot stand) |
Weight | IP Phone 7821: 867g |
Power requirements | The phone is an interoperable IEEE 802.3af PoE (Class 1 device); 48 VDC is required;it can be supplied locally at the desktop using an optional AC-to-DC power supply (CP-PWR-CUBE-3=). Use of the power supply also requires the use of one of the corresponding AC country cords. |
Operational temperature | 32 to 104°F (0 to 40°C) |
Nonoperational temperature shock | 14 to 140°F (-10 to 60°C) |
Features | CP-8845-K9 | CP-8851-K9 | CP-8861-K9 | CP-8865-K9 |
Screen | Color | Color | Color | Color |
0USB Ports | 0 | 1 | 2 | 2 |
Built-in Camera | 5 | 1 | 5 | 5 |
Wi-Fi | Yes | Yes | Yes | Yes |
Bluetooth | yes | Yes | Yes | Yes |
Intelligent Proximity | Yes | Yes | Yes | Yes |
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