/mcpIf you check the SRTP Allowed check box for a SIP trunk, we recommend that you use an encrypted TLS profile, so keys and other security-related information are not exposed during call negotiations. If you use a non-secure profile, SRTP will still work but the keys will be exposed in signaling and traces. In that case, you must ensure the security of the network between Unified Communications Manager and the destination side of the trunk. Step 3 Click Save. Step 4 To reset the device, click Reset. Step 5 Verify that you configured IPSec correctly for H323. (For SIP, make sure you configured TLS correctly.) Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 194 Basic System Security Allow SRTP Using Unified Communications Manager Administration