Yealink SIP-T2 Series

Configuring Security Features
879
Parameters
Permitted Values
Default
Description:
Configures the transport method the IP phone uses to communicate with the SIP server for
account X.
0-UDP
1-TCP
2-TLS
3-DNS-NAPTR
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2)
Web User Interface:
Account->Register->SIP Server Y->Transport
Phone User Interface:
None
security.default_ssl_method
0, 3, 4 or 5
3
Description:
Configures the TLS version the IP phone uses to negotiate with the provisioning server
when using TLS transport method to download the boot file and configuration files from
the provisioning server.
0-use TLS 1.0 to negotiate with the provisioning server
3-use TLS 1.2 to negotiate with the provisioning server, and it is backward compatible
4-use TLS 1.1 to negotiate with the provisioning server
5-use TLS 1.2 to negotiate with the provisioning server
Web User Interface:
None
Phone User Interface:
None
static.security.trust_certificates
0 or 1
1