Hi Pierrescotlandthanks you for your reply.I solved this problem by adding a fake number (210) in "Other Number"Thanks

I have the following configuration, but the rings are the same for both internal and external calls. Maybe it's a problem the firmware release? Tanks

Hi,I tried to configure uc540 utilizzalndo the example of Bianchi. This will change the ringer but remains the same for internal and external calls.I also tried the following options:Ring Type: Feature ringDistinctive Ring: ExternalI missed some conf...