Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 182
To install CA or device certificates and configure TLS profiles, navigate to Settings > Network > TLS and expand
the Certificate Configuration and TLS Profiles menus.
Local Phone User Interface
To install a CA or device certificate, navigate to Settings > Advanced > Admin Settings > TLS Security and
select Custom CA Certificates or Custom Device Credentials and enter the URL of a custom certificate or PEM-
encoded certificate.
Once you have configured the certificates, configure a TLS profile. To configure TLS profiles, navigate to Settings
> Advanced > Admin Settings > TLS Security > Configure TLS Profiles. Select the profile that you would like
to configure, and configure the cipher suite, choose which CA certificates to use, and choose which device
certificates to use. The menu options are: Configure Cipher Suite, CA Certificates, and Device Certificates.
This section provides detailed information on:
● Download Certificates to a CX5500 System
● Set TLS Profiles
Download Certificates to a CX5500 System
You can download certificates to a CX5500 system by specifying a URL where the certificate is currently
stored. You can install up to eight CA certificates and eight device certificates on the phone. You can
refresh certificates when they expire or are revoked. You can delete any CA certificate or device
certificate that you install.
Note: Maximum Size for Certificates
The maximum certificate size on Platform CA1 is 1536KB and 4KB for Platform CA2.
To download a certificate to a CX5500 system:
1 Navigate to Settings > Advanced > Administrative Settings > TLS Security and select Custom
CA Certificates or Custom Device Certificates.
When prompted, enter the administrative password and tap the Enter soft key. The default
administrative password is 456.
2 Select the Install soft key.
3 Enter the URL where the certificate is stored.
For example, http://bootserver1.vancouver.polycom.com/ca.crt
4 Select the Enter soft key.
The certificate is downloaded. The certificate’s MD5 fingerprint displays to verify that the correct
certificate is to be installed.
5 Select the Accept soft key.
The certificate is installed successfully.
The appropriate certificate menu displays the certificate’s common name.
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