Scope wrote:
> Hi,
>
> Having used VoIP for over a year now I've never really had a problem
> with the quality of the calls.. Now however, having started to use VoIP
> for incoming aswell as outgoing I am having a problem where the person
> who calls me hears a "tin can" voice. The incoming voice is fine. I am
> running on a 4mb line, so bandwidth should not be a problem. I have
> tried a number of codecs and they all sound similar.
>
> What can I do to improve on this?


What protocol are you using (SIP / IAX2?) What ports have you opened?