The Specs

Additional Specifications
Communication Protocols SCCP
normalized-Weight 5.11
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
License CallManager User License
Headset Port Yes
Product Series 7900
IP Phone Technology VoIP
normalized-Height 127
Voice Codec G.729ab
Weight 5.11 oz
Brand Name Cisco
Total Number of Phone Lines 6
Backlight Yes
Buttons & Keys Button - Five-way navigation support, Volume control, Send button and Power/End button
Product Model 7921G
Back Light Yes
Product Line Unified
Warranty Information 1 Year
Interface Connection USB Yes|Headset Port Yes
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
Dimensions 5" Height x 2.10" Width x 1" Depth|3.40" Height x 4.80" Width x 5.10" Depth - Desktop Charger
Height 5.0 in
Width 2.0 in
Depth 1.0 in
Network Architecture Supported IEEE 802.11a/b/g
Quick Glance