Can I use this phone with a regular phone line? - I use these all the time in our office but wanted to use one at home. Do you need an adaptor?

Sorry NO it does not this is a IP Phone or VoIP (Voice Over IP)works only with a PBX, Unified Communications, Cloud and SIP Systems.

What firmware is installed on these by default?

Apologies for delay, this is firmware currently installed Sip78xx.10-2-1-12

Could you confirm that these phones are not 3pcc? my company purchased several of these and we had to send them back.

Hello these phones come tested and working with standard CISCO SIP software on them we only sell these phones as standard - like this cheers Steve

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📈 Connect, Communicate, Conquer!

BUILT TO LAST - Crafted from durable materials for extended use in any environment.
SLEEK AND STYLISH - Elegant design that complements any professional workspace.
STAY CONNECTED ANYWHERE - Enjoy seamless connectivity with advanced networking capabilities.
USER FRIENDLY INTERFACE - Intuitive controls for effortless navigation and operation.
ELEVATE YOUR COMMUNICATION - Experience crystal-clear calls with high-definition audio.

The Cisco UC Phone 7821 is a robust communication tool designed for professionals, featuring high-definition audio, a durable build, and seamless connectivity, making it the perfect addition to any modern workspace.

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Material Type	Plastic
Color	Black
Item Weight	1.12 Kilograms
Item Dimensions	11 x 3 x 12 inches
Recording Capacity	16 minutes
Conference Call Capability	2 way
Phone Talk Time	1 Hours
Is there Caller ID	Yes
Multiline Operation	Multi-Line Operation
Dialer Type	Single Keypad
Answering System Type	Digital
Number of Batteries	1 Lithium Ion batteries required.
Power Source	Corded Electric

CiscoUC Phone 7821

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