Troubleshooting guide

Troubleshooting Guide
194
characters:
By default, the user name and password are entered in upper case letters. However, you
can use both upper and lower case. To change to lower case, press the Volume Down key
while entering a letter. All subsequent letters will be in lower case. To return to upper case,
press the Volume Up key while entering a letter.
5. Press # to commit the username.
6. Enter a password from 1 to 20 alphanumeric characters in length. This password must
match the password that you have programmed on the RADIUS server for the user.
7. Press # to commit the password. The message, “Waiting for 802.1X authentication” appears
in the phone display.
After the server authenticates the username and password, the IP phone boots up.
Erasing an Authentication Username and Password
1. Access the configuration menu on the 5215 Dual Mode, 5220 Dual Mode, or 5235 IP Phone.
See “Access Configuration Menu on Dual Mode Phones and 5235 IP Phones” on page 188.
2. From NETWORK PARAMETERS? press No until on the telephone keypad until TOOLS
AND FEATURES? appears.
3. Press Yes.
4. Press No until EDIT 8021X SETTINGS appears.
5. Press Yes ERASE 8021X DATA? appears in the display.
6. Press Yes to erase the current username and password.
7. Press Yes. The phone erases the data from its flash and then reboots.
Table 63: DTMF Keys for entering Alphanumeric Characters
DTMF Key Alphanumeric Characters (in order)
1,&$!?%'"-_1
2 abc2
3 def3
4 ghi4
5 jkl5
6 mno6
7 pqrs7
8 tuv8
9 wxyz9
* Backup and edit previous char
0 ./:@0
# Commit entered data