Cisco Systems ATA187I1ARF Manual De Usuario

If you are not using DHCP in your network, you must configure these network settings on the ATA 187 
after installing the device on the network: 

IP subnet information (subnet mask for IPv4) 

TFTP server IP address 

You may also configure these optional settings as necessary: 

Administration VLAN ID

Collect this information and see instructions in 

.

The security features protect against several threats, including threats to the identity of the phone and to 
data. These 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. 

For more information about the security features, see the Cisco Unified Communications Manager 
Security Guide. 

You can initiate the installation of a Locally Significant Certificate (LSC) from the Security 
Configuration menu on the phone. This menu also lets you update or remove an LSC. 

Before you begin, make sure that the appropriate Cisco Unified Communications Manager and the CAPF 
security configurations are complete: 

On Cisco Unified Communications Operating System Administration, verify that the CAPF 
certificate has been installed 

The CAPF is running and configured 

See the Cisco Unified Communications Manager Security Guide for more information. 

If you want to update LSC, you need to use reset to factory default from 

.