Cisco 7821 Release Notes

CONTENTS
CHAPTER 1 Cisco IP Phone 7821, 7841, and 7861 Release Notes for Firmware Release 10.1(1)SR1 1
Introduction 1
New and Changed Features 2
Features Available with Firmware Release 2
Hardware Updates 2
Related Documentation 2
Cisco IP Phone 7800 Series Documentation 2
Cisco Unified Communications Manager Documentation 2
Installation 2
Installation Requirements 2
Install Firmware Release on Cisco Unified Communications Manager 3
Install Firmware Zip Files 3
Limitations and Restrictions 4
Voice VLAN and IPv6 Limitation 4
Unified Communications Manager Endpoints Locale Installer 4
Caveats 5
Access Cisco Bug Search 5
Open Caveats 5
Resolved Caveats 7
Cisco IP Phone Firmware Support Policy 9
Documentation, Service Requests, and Additional Information 9
Cisco IP Phone 7821, 7841, and 7861 Release Notes for Firmware Release 10.1(1)SR1
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Cisco 7821 Specifications

General

Resolution	396 x 162 pixels
Lines	2
Speakerphone	Yes
Display	3.5-inch (89 mm) monochrome display
Ethernet Ports	2 x 10/100 Ethernet ports
Power	IEEE PoE Class 1
Headset Port	Yes
Protocols	SIP
Audio Codecs	G.711, G.722, G.729, iLBC
Weight	0.9 kg (1.98 lb)