/mcprestrict external transferring of calls. For more information on how to perform this task, see Feature Configuration Guide for Cisco Unified Communications Manager. Device Resets, Server and Cluster Reboots, and Service Restarts The following table lists the security actions with reset, restart, and reboot details: Table 3: Security Actions with Reset, Restart, and Reboot details: Restart (Yes / No) Reset (Yes / No) Action Sl No No Yes Apply Security Profile 1 — — Apply Phone Hardening 2 Yes. Restart CallManager service. Yes. All devices Security Mode Changes 3 Yes.All encrypted and authenticated phones need to be reset to ensure they get an updated CTL file. — CTL File Update 4 Yes. Restart the CTL Provider Service. — Update Ports for TLS Connection 5 Yes. Restart the Cisco Certificate Authority Proxy Function service — Update /Configure CAPF service parameters 6 Yes. Restart all Cisco CallManager and Cisco TFTP services — Start or Stop the CTL Provider service 7 — Yes. Reset dependent devices Configure secure SRST references 7 Yes — Change the Smart Card service to Started and Automatic 8 Yes. Restart the Cisco IP Manager Assistant service, Cisco Web Dialer Web Service, and the Cisco Extended Functions service after — Configure security-related service parameters that are associated with the application User CAPF Profile. 9 To restart the Unified Communications Manager service, see Administration Guide for Cisco Unified Communications Manager. To reset a single device after you update the phone configuration, see topics related to applying the phone security profile. Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 6 An Introduction to Unified CM Security Device Resets, Server and Cluster Reboots, and Service Restarts