Specifications

Table Of Contents
Chapter 4 Using the Cisco Unified Wireless IP Phone 7921G Web Pages
Configuring Network Profiles
4-20
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Step 2 In the Key Type area, choose one of these character formats:
Hex
ASCII
Step 3 Enter an ASCII string or Hex digits in the Passphrase/Pre-shared key field. See
“Pre-shared Key Formats” section on page 4-19.
Step 4 Click Save to make the change.
Setting Wireless Encryption
If your wireless network uses WEP encryption, and you have set the
Authentication Method as Open + WEP or Shared Key + WEP, you must enter an
ASCII or hexadecimal WEP Key.
The WEP Keys for the phone must match the WEP Keys assigned to the access
point. Cisco
Unified Wireless IP Phone 7921G and Cisco Aironet Access Points
support both 40-bit and 128-bit encryption keys.
WEP Key Formats
You must use one of these formats when setting up a WEP key:
Hexadecimal
For hexadecimal keys, you can use one of the following key sizes:
40-bit—You must enter a 10-digit encryption key string that uses the hex
digits (0-9 and/or A-F); or example, ABCD123456.
128-bit—You must enter a 26-digit encryption key string that uses the hex
digits (0-9 and/or A-F); or example, AB123456789CD01234567890EF.
ASCII
For ASCII keys, you must enter a character string that uses 0-9, A-Z (upper and
lower case), and all symbols.
40-bit—You must enter a 5-character string; for example, GREG5.
128-bit—You must enter a 13-character string; for example,
GREGSSECRET13.