[asterisk-users] "remote" SIP, no audio, or one way audio.

[Steve Totaro]

Joe Acquisto wrote:
> Attempts to do SIP thru firewall (IPCop) are unsuccessful.  using x-lite softphones, for eval/testing.  They do get registered, and can call each other, but mostly get no audio, sometimes one way audio.
>
> Suggestions/fixes?
>
> joe a.
>   

Is there NAT on both sides?  Are you using qualify?  Paint a clearer 
picture.

Thanks,
Steve