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Yealink SIP-T21 E2 Administrator's Guide

Yealink SIP-T21 E2
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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
956
Parameters
Permitted Values
Default
the one (encrypted or unencrypted) stored on the server if you have configured to back up
the MAC-local CFG file to the server by the parameter “static.auto_provision.custom.sync”.
The plaintext AES key is configured by the parameter
“static.auto_provision.aes_key_16.mac”.
Web User Interface:
None
Phone User Interface:
None
To configure AES keys via web user interface:
1. Click on Settings->Auto Provision.
2. Enter the values in the Common AES Key and MAC-Oriented AES Key fields.
AES keys must be 16 characters and the supported characters contain: 0-9, A-Z, a-z and
the following special characters are also supported: # $ % * + , - . : = ? @ [ ] ^ _ { } ~.
3. Click Confirm to accept the change.
To configure AES keys via phone user interface:
1. Press Menu->Advanced (default password: admin) ->Auto Provision.
2. Enter the values in the Common and MAC-Oriented AES fields.
AES keys must be 16 characters and the supported characters contain: 0-9, A-Z, a-z and
the following special characters are also supported: # $ % * + , - . : = ? @ [ ] ^ _ { } ~.
3. Press the Save soft key to accept the change.
Encrypting and Decrypting Configuration Files
Encrypted configuration files can be downloaded from the provisioning server to protect
against unauthorized access and tampering of sensitive information (e.g., login passwords,

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Yealink SIP-T21 E2 Specifications

General IconGeneral
BrandYealink
ModelSIP-T21 E2
CategoryIP Phone
LanguageEnglish

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