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Cisco 6821 Administration Guide

Cisco 6821
358 pages
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CHAPTER 1
New and Changed Information
• New and Changed for Firmware Release 11.2(4), on page 1
• New and Changed for Firmware Release 11.2(3)SR1, on page 2
• New and Changed for Firmware Release 11.2(3), on page 2
• New and Changed for Firmware Release 11.2(2), on page 4
• New and Changed for Firmware Release 11.2(1), on page 5
• New and Changed for Firmware Release 11.1(2), on page 6
• New and Changed for Firmware Release 11.1(1), on page 7
New and Changed for Firmware Release 11.2(4)
New and Changed SectionsRevision
Physical and Operating Environment Specifications,
on page 11
Network and Computer Port Pinouts, on page 13
Phone Power Requirements, on page 14
Power Negotiation Over LLDP, on page 16
Overview of the Cisco IP Phone 6800 Series
Multiplatform Phones, on page 23
Cisco IP Phone 6841, 6851, and 6861 Multiplatform
Phones Buttons and Hardware, on page 29
Install the Cisco IP Phone, on page 36
Updated the hardware-related topics with Cisco IP
Phone 6861 Multiplatform Phones
Supported Accessories, on page 99
Headsets, on page 107
Install a Cisco IP Phone 6841, 6851, or 6861 with the
Wall Mount Kit, on page 114
Enable Electronic Hookswitch, on page 180
Uppdated the supported accessories for Cisco IP
Phone 6861 Multiplatform Phones
Cisco IP Phone 6861 Multiplatform Phones
Connections, on page 26
Added a topic about how to connect Cisco IP Phone
6861 Multiplatform Phones
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
1

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Cisco 6821 Specifications

General IconGeneral
Resolution320 x 240 pixels
SpeakerphoneYes
Headset PortYes
ProtocolsSIP
USB PortNo
WirelessNo
BluetoothNo
Video SupportNo
Conference CapabilitiesYes
Wall MountableYes
Display3.5-inch grayscale
Ethernet10/100 Ethernet
Line Keys2
PoEIEEE 802.3af Power over Ethernet (PoE)
CodecsG.711, G.722, G.729, iLBC
Weight2.0 lb (0.91 kg)

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