Aastra Telecom 53I - Manual (Page 32)

Security Features
26 RN-001029-00, Rev 03, Release 2.1
IP Phone Release Notes 2.1
Configuring TLS Using Configuration Files
You use the following parameters to configure TLS in the configuration files:
• sip transport protocol
• sips persistent tls
• sips root and intermediate certificates
• sips local certificate
• sips private key
• sips trusted certificates
Parameter –
sip transport protocol
Transport Protocol
(in Web UI)
Aastra Web UI Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files aastra.cfg, <mac>.cfg
Description The protocol that the Real-Time Transport Protocol (RTP) port on the IP
phone uses to send out SIP signaling packets.
Notes:
1.
If you set the value of this parameter to 4 (TLS), the phone checks
to see if the “sips persistent tls” is enabled. If it is enabled, the phone
uses Persistent TLS on the connection. If “sips persistent tls” is
disabled, then the phone uses TLS on the connection. If TLS is used,
you must specify the Root and Intermediate Certificates, the Local
Certificate, the Private Key, and the Trusted Certificates.
2.
If the phone uses Persistent TLS, you MUST specify the Trusted
Certificates; the Root and Intermediate Certificates, the Local
Certificate, and the Private Key are optional.
Format Integer
Default Value 1 - UDP
Range Valid values are:
0 - User Datagram Protocol (UDP) and
Transmission Control Protocol (TCP)
1 - UDP
2 - TCP
4- Transport Layer Security (TLS)
Example sip transport protocol: 4