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TLS security concepts

If a SIP device (that is, some AudioCodes Mediant gateways) using this line does not support the stronger AES (Advanced Encryption Standard) cipher suites used by default in CIC, click the Modify Cipher Suites button to select one or more additional cipher suites to add to the list of TLS Cipher Suites to use. The cipher suites are listed in order of strongest to weakest. CIC will negotiate with each SIP device and agree to use the strongest cipher suite common between the device and the CIC server.