Security features establish and maintain authenticated
communication streams between the phone and the Cisco Unified Communications
Manager server, and digitally sign files before they are delivered.
A Locally Significant Certificate (LSC) installs on phones
after you perform the necessary tasks associated with the Certificate
Authority Proxy Function (CAPF). You can use Cisco Unified Communications
Manager Administration to configure an LSC, as described in
the Cisco Unified Communications Manager Security Guide.
Alternatively, you can initiate the installation of an LSC
from the Security Configuration menu on the phone. This menu also lets you
update or remove an LSC.
Before you do so, ensure that the appropriate Cisco Unified
Communications Manager and the CAPF security configurations are complete:
- The CTL file must have a
- The CAPF certificate must
exist in the /usr/local/cm/.security/certs folder in every server in the
- The CAPF is running and
For more information on certificates, see
Cisco Unified Communications Manager Security Guide. For more information about the security features, see
Depending on how you have configured the CAPF, this
procedure installs an LSC, updates an existing LSC, or removes an existing LSC.
To configure an LSC on the phone, perform the following