Encrypting And Decrypting Files; Configuration Parameters - Yealink SIP-T2 SERIES Administrator's Manual

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
Select the desired value from the pull-down list of RTP Encryption(SRTP).
3.
Click Confirm to accept the change.
4.

Encrypting and Decrypting Files

Yealink IP phones support downloading encrypted files from the server and encrypting files
before/when uploading them to the server. You can encrypt the following files:
Configuration files: MAC-Oriented CFG file (<MAC>.cfg), Common CFG file

(y0000000000xx.cfg), MAC-local CFG file (<MAC>-local.cfg) or other custom CFG files (e.g.,
sip.cfg, account.cfg)
Contact Files: <MAC>-contact.xml

To encrypt/decrypt files, you may have to configure an AES key.
Procedure
Configuration changes can be performed using the following methods.
Central
Provisioning
(Configuration
File)
888
Configure whether to only download and resolve
the encrypted files.
<y0000000000xx
>.cfg
Parameter:
static.auto_provision.update_file_mode