/mcpAt any time, you can click Set Default to specify the default values. After you set the defaults, click Update to save the default values. Set Up Application Billing Servers Use the following procedure if you want to deploy application billing servers to which you will send CDRs. You can configure up to eight billing servers. Cipher Support For Unified Communications Manager 11.5, Unified Communications Manager advertises the following CBC and CTR ciphers for SFTP connections: • aes128-cbc • 3des-cbc • aes128-ctr • aes192-ctr • aes256-ctr Make sure that the backup SFTP Server supports one of these ciphers to communicate with Unified Communications Manager. Note From Unified Communications Manager 12.0 release onwards, CBC ciphers are not supported. Unified Communications Manager supports and advertises only the following CTR ciphers: • aes256-ctr • aes128-ctr • aes192-ctr Make sure that the backup SFTP Server supports one of these CTR ciphers to communicate with Unified Communications Manager. Note Procedure Step 1 Choose Tools > CDR Management Configuration. The CDR Management Configuration window displays. Step 2 Perform one of the following tasks: • To add a new application billing server, click the Add New button. Call Reporting and Billing Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs 22 CDR Analysis and Reporting Set Up Application Billing Servers

