Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
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account.X.srtp.unencrypted_rtcp.enable
[1]
It enables or disables the phone’s capability to include unencrypted RTCP streams in
SDP offers when using SRTP.
Note: It works only if “account.X.srtp_encryption” is set to 1 (Optional) or 2
(Compulsory). After successful negotiation, whether the RTCP stream is encrypted or
not depends on SDP answer.
0-Disabled
1-Enabled, the phone offers both encrypted and unencrypted RTCP streams
(Unencrypted RTCP streams carry UNENCRYPTED_SRTCP session parameters) in SDP
offers
[1]
X is the account ID. For T54S/T48S/T48G/T46S/T46G/T29G, X=1-16; forT52S/T42G/T42S, X=1-12; for
T41P/T41S/T27P/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21(P) E2, X=1-2; for T19(P) E2, X=1.
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 (for example, sip.cfg, account.cfg)
Contact Files: <MAC>-contact.xml
To encrypt/decrypt files, you may have to configure an AES key.
AES keys must be 16 characters. The supported characters contain: 0 ~ 9, A ~ Z, a ~ z and special characters:
# $ % * + , - . : = ? @ [ ] ^ _ { } ~.
Topics
Configuration Files Encryption Tools
Configuration Files Encryption and Decryption
Contact Files Encryption and Decryption
Encryption and Decryption Configuration
Example: Encrypting Configuration Files
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