Send us email to This email address is being protected from spambots. You need JavaScript enabled to view it. to ask to enable VoIP encryption on your device (Please mandatory state device number)
Now we need to switch Linphone to encryption mode for TLS
Navigate to account preferences on the right side:
Click Edit on Australian Phone account used before:
Change transport type: set TLS
Click Confirm to Save
Navigate to Calls and Chat on the top
Enable SRTP encryption
Click OK to Save
Make a test call to 09002, you should see closed lock symbol and prompt that call is encrypted with SRTP