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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)
OL-4803-01
Chapter 5 Parameters and Defaults
Parameters for Configuration Method and Encryption
Range
60 to 4294967295
Default
3600
Voice Configuration Menu Access Code
80002
EncryptKey
Description
This parameter specifies the encryption key that is used to encrypt the Cisco ATA configuration file on
the TFTP server.
The cfgfmt tool, which is used to create a Cisco ATA binary configuration file (see the ), automatically
encrypts the binary file when the EncryptKey parameter has a value other than 0. The cfgfmt tool uses
the rc4 encryption algorithm.
If this parameter value is set to 0, the Cisco ATA configuration file on the TFTP server is not encrypted.
Note Cisco recommends using the stronger Cisco ATA encryption method, which requires the use of the
EncryptKeyEx parameter. For more information, see the “EncryptKeyEx” section on page 5-7.
For examples on how to upgrade from the EncryptKey parameter to the stronger encryption method that
uses the EncryptKeyEx parameter, see the “Examples of Upgrading to Stronger Encryption Key” section
on page 3-15.
Value Type
Hexadecimal string
Range
Maximum number of characters: 8
Default
0
Voice Configuration Menu Access Code
320
Related Parameters
• UseTFTP, page 5-4
• TftpURL, page 5-5
• EncryptKeyEx, page 5-7