Yealink SIP-T2 SERIES Administrator's Manual page 890

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
5. Click Encrypt to encrypt the configuration file(s).
6. Click OK.
The target directory will be automatically opened. You can find the encrypted CFG
file(s), encrypted key file(s) and an Aeskey.txt file storing plaintext AES key(s).
Procedure
Decryption method can be configured using the configuration files.
Configuration File
Local
868
<y0000000000xx>.cfg
Web User Interface
Configure the decryption method.
Parameter:
auto_provision.aes_key_in_file
Configure AES keys.
Parameters:
auto_provision.aes_key_16.com
auto_provision.aes_key_16.mac
Configure AES keys.
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