Yealink SIP-T2 SERIES Administrator's Manual page 875

Procedure
Configuration changes can be performed using the configuration files or locally.
<MAC>.cfg
Configuration
File
<y0000000000xx>.cfg
Local Web User Interface
Configuring Security Features
Configure TLS on a per-line basis.
Parameter:
account.X.sip_server.Y.transport_type
Configure trusted certificates feature.
Parameters:
security.trust_certificates
security.ca_cert
security.cn_validation
Configure server certificates feature.
Parameters:
security.dev_cert
Upload the trusted certificates.
Parameter:
trusted_certificates.url
Delete all uploaded trusted
certificates.
Parameter:
trusted_certificates.delete
Upload the server certificates.
Parameter:
server_certificates.url
Delete all uploaded server
certificates.
Parameter:
server_certificates.delete
Configure the custom certificates.
Parameter:
phone_setting.reserve_certs_enable
Configure TLS on a per-line basis.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40P/T29G/
T27P/T23P/T23G/T21(P) E2/T19(P)
853