User`s manual

AudioCodes Mediant 800 MSBG Installation and Configuration Guide Page 31 of 47
19. Once the file has been uploaded go to VoIP > Media > Media
Security
20. Change Media Security to Enable and put a check next to all
applicable cipher suites in SRTP offered Suites
21. Click Submit
22. Click OK on the following prompt notifying you of the offline parameter
change.