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Cisco 7821 Installation Guide

Cisco 7821
39 pages
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Installation Guide for Cisco IP Phone with Multiplatform Firmware
8
CHAPTER 3
Connect Headsets
Connect Cisco Headsets 521 and 522 9
Connect Cisco Headsets 561 and 562 10
Connect Cisco Headset 730 12

Table of Contents

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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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