Solved 3cx phone is not working with update v16

[Skgroup]

Dear ,

Am facing a problem after i update to v16 for pbx and sbc , i export the extension configuration file and add to 3cx phone but its not connected

 

[Skgroup]

The problem fixed sophos firewall was dropping the packet .

 

[YiannisH_3CX]

Glad the issue has been resolved and thank you for updating the thread with your solution.