Yealink SIP-T21 E2

Configuring Security Features
941
Procedure
Configuration changes can be performed using the following methods.
Central
Provisioning
(Configuration
File)
<MAC>.cfg
Configure TLS on a per-line basis.
Parameter:
account.X.sip_server.Y.transport_type
<y0000000000xx>.cfg
Configure the TLS version.
Parameter:
static.security.default_ssl_method
Configure trusted certificates feature.
Parameters:
static.security.trust_certificates
static.security.ca_cert
static.security.cn_validation
Configure server certificates feature.
Parameter:
static.security.dev_cert
Upload the trusted certificates.
Parameter:
static.trusted_certificates.url
Delete all uploaded trusted certificates.
Parameter:
static.trusted_certificates.delete
Upload the server certificates.
Parameter:
static.server_certificates.url
Delete all uploaded server certificates.
Parameter:
static.server_certificates.delete
Configure the custom certificates.
Parameter:
static.phone_setting.reserve_certs_enable
Web User Interface
Configure TLS on a per-line basis.
Navigate to:
http://<phoneIPAddress>/servlet?p=accou