hello, i'm running FreeSWITCH Version 1.0.head (svn-18355) on vmware behind nat. i have problems registering with sip providers: 2010-11-12 13:20:28.845507 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:20:34.866728 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:20:38.898868 [WARNING] sofia_reg.c:387 iptel Failed Registration, setting retry to 30 seconds. 2010-11-12 13:20:40.902922 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:20:46.953148 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:20:52.974365 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:20:58.998596 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:21:04.025773 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:21:09.049973 [NOTICE] sofia_reg.c:342 Registering iptel 2010-11-12 13:21:10.051987 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:21:16.081210 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:21:22.106424 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:21:28.150642 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:21:34.216910 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:21:40.281096 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:21:40.281096 [WARNING] sofia_reg.c:387 iptel Failed Registration, setting retry to 30 seconds. 2010-11-12 13:21:46.297302 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:21:52.318592 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:21:58.379775 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:22:04.411977 [NOTICE] sofia_reg.c:342 Registering sipcall 2010-11-12 13:22:10.426183 [WARNING] sofia_reg.c:387 sipcall Failed Registration, setting retry to 5 seconds. 2010-11-12 13:22:11.430227 [NOTICE] sofia_reg.c:342 Registering iptel 2010-11-12 13:22:16.441404 [NOTICE] sofia_reg.c:342 Registering sipcall after a while sipcall still gets registered, im able to receive inbound calls, but i cant get outbound working. iptel doesn't get registered at all, for that i followed the instruction in the FreeSWITCH-106- Book i bought. can someone please give me a hint. thanks