On Tue, 14 Apr 2009 20:47:29 you wrote: > Hi michael, > > you should open both tcp,udp 5060,5061 too and as you mentioned between > 10000-20000. AFAIK 5061 TCP is for TLS SIP which isn't used much yet? Is TCP the default for 5060, with UDP as fallback, or is this provider dependent? Michael