Forum Discussion
VOIP
Backstory: I am about to lose my ADSL Broadband. It's clear that, sooner rather than later, Openreach will 'convert' everyone in the area to fibre. For several reasons it makes more sense for me to...
SMARTY use CGNAT and CGNAT is problematic for VoIP. CGNAT is likely deleting the NAT rule for SIP after the "short time". SIP OPTIONS should fix that issue if the interval is short enough.
