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snom 821 User Manual Setting up the Phone
◦ Press to save the highlighted time zone.
3. Next, you will be prompted to select the tone scheme of a country. This affects the dial tone you
hear when you pick up the receiver. Different countries use different dial tones.
◦ Press to move up or down the list one item at a time.
◦ Press to save the highlighted country's tone scheme.
4. The display shows the "Welcome" screen. Press any key to log on.
5. Enter the account number. Save with .
Note: See "Entering numerals, letters, special characters, and symbols" on page 23 on
how to enter numbers and letters.
6. Enter the registrar. Press .
7. Enter the password received from your Internet service provider or administrator and press .
After successful registration you will see the registered account (identity) in the identity line underneath
the date/time bar:
Identity line
Active identity:
Green symbol
Identity not properly registered:
Gray symbol
Note: If you see a gray phone symbol on the display and the phone does not work, the
server may be down, either for servicing or due to a malfunction. The registration and
initialization should be completed as soon as the server is up and running again. You
may want to check with your administrator or your provider if nothing happens within a
reasonable time.
What to do if initialization and registration are unsuccessful
Your network or your VoIP provider may require more login data than requested by the snom phone
during the initialization and registration process. This data is entered on the web interface of the
phone. Contact your network system administrator or your VoIP provider for more information.
1. When you have received all necessary data, open the phone’s web interface. See "Opening the
web interface" on page 31.
2. Open Configuration Identity 1 and enter any additional login information you have received from
your provider. See "Identities/accounts" on page 66.
Note: A number of IP telephony service providers and a number of SIP PBXs require
settings that are different from snom’s standard factory settings. snom’s web page lists
numerous providers and PBXs that have been tested for interoperability with our phones
and specific settings that may be required. Do not change the standard configuration
unless you know what you are doing. Expert help may be required.