On Mon, Dec 16, 2019 at 07:13:31PM +0100, Mail Box wrote:
> I get: Establishing call id tosip:[hidden email], assigned id 1
> Call 1 to sip:[hidden email] in progress.
> It seems to be ok but the phone on the other side is not ringing while the phone is setup correctly.
Maybe use linphonec -d n and try n = 0..5 etc and examine the debug
output? See the man page.