Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
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3. Select the desired value from the pull-down list of RTP Encryption(SRTP).
4. Click Confirm to accept the change.
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)
Configure whether to only download and resolve
the encrypted files.
Parameter:
static.auto_provision.update_file_mode