Yealink SIP-T48G Administrator's Manual page 511

Details of Configuration Parameters:
Parameters
account.X.sip_server.Y.transport_type
(X ranges from 1 to 16, Y ranges from 1 to 2)
Description:
Configures the type of transport protocol for account X.
0-UDP
1-TCP
2-TLS
3-DNS-NAPTR
X ranges from 1 to 16 (for SIP-T48G/T46G/T29G).
X ranges from 1 to 12 (for SIP-T42G).
X ranges from 1 to 6 (for SIP-T41P/T27P).
X ranges from 1 to 3 (for SIP-T23P/G).
X ranges from 1 to 2 (for SIP-T21(P) E2).
Web User Interface:
Account->Register->SIP Server 1/2->Transport
Phone User Interface:
None
security.trust_certificates
Description:
Enables or disables the IP phone to only trust the server certificates in the Trusted
Certificates list.
0-Disabled
1-Enabled
Configuring Security Features
Upload the trusted certificates.
Navigate to:
http://<phoneIPAddress>/servlet?p=
trusted-cert&q=load
Configure server certificates feature.
Upload the server certificates.
Navigate to:
http://<phoneIPAddress>/servlet?p=
server-cert&q=load
Permitted Values
0,1,2 or 3
0 or 1
Default
0
1
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