Aastra-telecom 53I User Manual download pdf (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

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Aastra-telecom 53I User Manual Page 32