Hi Donovan,

I hope you are well. Please can you reregister your device. I tested the account on my device and I received an incoming call. There could be a setting on the device that is blocking the incoming calls. Please check for a setting called DND, it should be disabled. If the setting is disabled, please take a screenshot of the setup page for the snom device I would like to see if the correct fields have the relevant information. 

Thank you. 

Hi Donovan,

Please follow this link and test.

http://help.freshphone.co.za/support/solutions/articles/17000056391-not-receiving-incoming-calls-on-a-snom300

Support broken Registrar is the setting you need to turn on. 

Excellent, have a good day.