"Al" <ardl02029_5@blueyonder.co.uk> wrote in message
news:fPqFj.65445$M9.6584@fe3.news.blueyonder.co.uk ...
> Take the O2 service. I was led to believe initially that VoIP ports were
> blocked on that whilst their sister service Bethere did not.
> Is that still the case does anyone know?

I am using VoIP fine on O2 broadband - I take it you are not talking about
mobile broadband here...

The only port I have found they block is SMTP - but there are good reasons
for that that have nothing to do with commercial interests.