Clean the Phone Screen
Procedure
If your phone screen gets dirty, wipe it with a soft, dry cloth.
Do not use any liquids or powders on the phone because they can contaminate the phone
components and cause failures.
Caution
Differences Between Phone Calls and Lines
We use the terms lines and calls in very specific ways to explain how to use your phone.
• Lines—Each line corresponds to a directory number or intercom number that others can use to call you.
You have as many lines as you have directory numbers and phone line icons.
• Calls—Each line can support multiple calls. By default, your phone supports two connected calls per
line, but your administrator can adjust this number according to your needs.
Only one call can be active at any time; other calls are automatically placed on hold.
Here is an example: If you have two lines and each line supports four calls, then you could have up to
eight connected calls at one time. Only one of those calls is active and the other seven are held calls.
Energy Savings
Your administrator can reduce the amount of power that the phone screen uses when you're not using your
phone. Level of energy-saving that your administrator can set up:
• Power Save—The backlight or screen turns off when the phone has been inactive for a period of time.
The Cisco IP Phone 6821 Multiplatform Phones does not support Power Save.
Note
Additional Help and Information
If you have questions about the functions available on your phone, contact your administrator.
The Cisco website (https://www.cisco.com) contains more information about the phones and call control
systems.
• For quick start guides and end-user guides in English, follow this link:
https://www.cisco.com/c/en/us/support/collaboration-endpoints/
ip-phone-6800-series-multiplatform-firmware/products-user-guide-list.html
Cisco IP Phone 6800 Series Multiplatform Phones User Guide
32
Your Phone
Clean the Phone Screen
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