Operational, Basic, and Advanced Parameters

Parameter

Configuration Files

sips trusted certificates

aastra.cfg, <model>.cfg, <mac>.cfg

 

 

Description

Allows you to specify the Trusted Certificate files to use when the phone uses the TLS

 

transport protocol to setup a call.

 

The Trusted Certificate files define a list of trusted certificates. The phone’s trusted list must

 

contain the CA root certificates for all the servers it is connecting to. For example, if the

 

phone is connecting to server A which has a certificate signed by CA1, and server B that

 

has a certificate signed by CA2, the phone must have CA1 root certificate and CA2 root cer-

 

tificate in its Trusted Certificate file.

 

This parameter is required when configuring TLS or Persistent TLS.

 

You can use this parameter in three ways:

 

To download no certificates

 

To download a certificate from the original configuration server

 

To download a certificate from another specified server

 

To download a specific file, the string value MUST HAVE A FILENAME at the end of the

 

string. For example:

 

sips trusted certificates: ftp://admin:admin!@1.2.3.4:50/path/phonesTrustedCert.pem

 

where “path” is the directory and “phonesTrustedCert.pem” is the filename. If you do not

 

specify a filename, the download fails.

 

See examples for each below.

 

Note:

 

The certificate files must use the format “.pem”. To create custom certificate files to use on

 

your IP phone, contact Aastra Technical Support.

 

 

Format

<file name>.pem

 

 

Default Value

Not Applicable

 

 

Range

Not Applicable

 

 

Example

The following example downloads no trusted certificate file:

 

sips trusted certificates:

 

The following example downloads the trusted certificate file from the original configura-

 

tion server.

 

sips trusted certificates: phonesTrustedCert.pem

 

The following example uses FTP to download the firmware file “phonesTrustedCert.pem”

 

(trusted certificate file) from the “path” directory on server 1.2.3.4 using port 50:

 

sips trusted certificates: ftp://admin:admin!@1.2.3.4:50/path/phonesTrustedCert.pem

 

 

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Aastra Telecom 41-001343-02 Transport protocol to setup a call, Tificate in its Trusted Certificate file, File name.pem