Yealink SIP-T48G

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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Procedure
Configuration changes can be performed using the configuration files or locally.
Configuration
File
<MAC>.cfg
Configure TLS on a per-line basis.
Parameter:
account.X.sip_server.Y.transport_type
<y0000000000xx>.cfg
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
Local
Web User Interface
Configure TLS on a per-line basis.
Navigate to:
http://<phoneIPAddress>/servlet?p=
account-register&q=load&acc=0
Configure trusted certificates feature.
Upload the trusted certificates.