Yealink SIP-T3 Administrator's Manual page 125

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
3-DNS NAPTR, if no server port is given, the phone performs the DNS NAPTR and SRV queries for
the service type and port.
Default 0
Web UI
Account > Register > SIP Server Y > Transport
Parameter static.security.default_ssl_method
It configures the TLS version to use for handshake negotiation between the phone and server (for
Description
example, SIP registration server, provisioning server).
0-TLS 1.0
3-SSL V23 (automatic negotiation with the server. The phone starts with TLS 1.2 for negotiation.)
Permitted
4-TLS 1.1
Values
5-TLS 1.2
6-TLS 1.3
Default 3
Parameter static.security.server_ssl_method
It configures the supported TLS version to use for handshake negotiation between the phone and web
Description
browser.
0-TLS 1.0, TLS 1.1 and TLS 1.2
1-TLS 1.1 and TLS 1.2
Permitted
Values
2-TLS 1.2
3-TLS1.1, TLS1.2 and TLS1.3
Default 1
Supported
All phones except T48G, T46G, T42G, T41P and T29G
Devices
security.web_server.ssl_method
static.security.xmpp_xsi.ssl_method
static.security.xml_browser.ssl_method
static.security.remote_phonebook.ssl_method
static.security.dm.ssl_method
Parameter
static.security.auto_provision.ssl_method
static.security.tr069.ssl_method
static.security.802_1x.ssl_method
static.security.sip.ssl_method
static.security.sopi.ssl_method
It configures the TLS version to use for handshake negotiation between the phone and the desired
module.
Description
Note: If it is left blank: for "security.web_server.ssl_method", the value configured by "stat-
ic.security.server_ssl_method" takes effect; for other modules, the value configured by "stat-
ic.security.default_ssl_method" takes effect.
Permitted 0-TLS 1.0
119
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg