Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones418 Thawte Universal CA Root VeriSign Class 3 Secure Server CA - G2 VeriSign Class 3 Secure Server CA – G3 Thawte SSL CA StartCom Certification Authority StartCom Certification Authority G2 Starfield Services Root Certificate Authority - G2 RapidSSL CA Go Daddy Root Certificate Authority - G2 Cybertrust Global Root COMODOSSLCA COMODO RSA Domain Validation Secure Server CA COMODO RSA Certification Authority AmazonRootCA4 AmazonRootCA3 AmazonRootCA2 AmazonRootCA1 Yealink Root CA Yealink Equipment Issuing CA SIP CoreNoteYealink endeavors to maintain a built-in list of most common used CA Certificates. Due to memoryconstraints, we cannot ensure a complete set of certificates. If you are using a certificate from a commercialCertificate Authority not in the list above, you can send a request to your local distributor. At this point, youcan upload your particular CA certificate into your phone.TLS ConfigurationThe following table lists the parameters you can use to configure TLS.Parameter account.X.sip_server.Y.transport_type[1] <MAC>.cfgDescription It configures the type of transport protocol.PermittedValues0-UDP1-TCP2-TLS3-DNS-NAPTR, if no server port is given, the IP phone performs the DNS NAPTR andSRV queries for the service type and port.
