The Specs

General
Interface Connection USB Yes|Headset Port Yes
Dimensions 5" Height x 2.10" Width x 1" Depth|3.40" Height x 4.80" Width x 5.10" Depth - Desktop Charger
Network Architecture Supported IEEE 802.11a/b/g
Height 5.0 in
General Features Caller ID Yes|Speakerphone Yes|Auto-answer|Keypad Lock|Call Forwarding|Call Log|Call History|Call Park|Call Pick-up|Call Waiting|Conference Call|Message Waiting LED|Music on Hold|Predialing|Phone Book|URL Dialing|Date and Time|Multi-lingual Menu
Width 2.0 in
Depth 1.0 in
URL http://www.cisco.com
Warranty Information 1 Year
Additional Specifications
Frequency Band Battery and Desktop Charger are Not Included Features: Standard lithium-ion (Li-ion) battery life: up to 10 hours talk time / 80 hours standby Extended Li-ion battery life: Up to 12 hours talk time / 100 hours standby Autodetection of headset and autoanswer from headset Ring, message waiting, and charging LED Adjustable display brightness and timeout Adjustable ringing and volume levels Audible and vibrating ringers Automatic keypad lock Auto answer
normalized-Weight 5.11
IP Phone Technology VoIP
Backlight Yes
Buttons & Keys Button - Five-way navigation support, Volume control, Send button and Power/End button
Voice Codec G.729ab
Product Line Unified
normalized-Height 127
License CallManager User License
Weight 5.11 oz
Total Number of Phone Lines 6
Back Light Yes
Product Model 7921G
Product Series 7900
Brand Name Cisco
Communication Protocols SCCP
Headset Port Yes
Quick Glance

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