Bug#906057: linphone: Linphone "cannot start transport on port 5060, maybe this port is already used" although it is not.

[Toby Douglass]

On Mon, 13 Aug 2018 20:27:58 +0200 Eduardo Casais <casays at yahoo.com> wrote:
> Package: linphone
> Version: 3.6.1-3
> Severity: grave
> Tags: ipv6
> Justification: renders package unusable
> 
> Dear Maintainer,
> 
> After upgrading from Jessie 8 to Stretch 9 (64bits), Linphone has become
> inoperative.

All of the above, seconded.

Of the test fixes I've tried which are listed in the original message, 
all had the same result as the OP.