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Cisco 7821 User Manual

Cisco 7821
136 pages
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CHAPTER 1
Your Phone
• The Cisco IP Phone 7800 Series, on page 1
• New and Changed Features, on page 2
• Phone Setup, on page 10
• Sign into Your Extension from Another Phone (Extension Mobility), on page 13
• Sign in to a Phone as a Guest, on page 14
• Set the Profile Rule on the Phone, on page 15
• Coworker Line Status, on page 15
• Add a Menu Shortcut to a Line Key, on page 18
• Remove the Menu Shortcut from a Line Key, on page 19
• Service Interruption Message on Home Screen, on page 19
• Phone Web Page, on page 19
• Buttons and Hardware, on page 21
• Power Requirements, on page 26
• Energy Savings, on page 26
• Additional Help and Information, on page 26
The Cisco IP Phone 7800 Series
The Cisco IP Phones 7811, 7821, 7841, and 7861 deliver easy-to-use, highly-secure voice communications.
Table 1: Cisco IP Phone 7800 Series Major Features
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Cisco IP Phone 7800 Series Multiplatform Phones User Guide
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Cisco 7821 Specifications

General IconGeneral
Resolution396 x 162 pixels
Lines2
SpeakerphoneYes
Display3.5-inch (89 mm) monochrome display
Ethernet Ports2 x 10/100 Ethernet ports
PowerIEEE PoE Class 1
Headset PortYes
ProtocolsSIP
Audio CodecsG.711, G.722, G.729, iLBC
Weight0.9 kg (1.98 lb)

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