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Operational, Basic, and Advanced Parameters
A-93 41-001343-02 REV04 – 05.2014
Parameter –
sips trusted certificates
Configuration Files
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