Here is asterisk invite dump: 
http://pastebin.com/Me53C1kV
(I can't give any FS dump because there is just nothing)
Fs reg dump:
http://pastebin.com/63z5HPAS
May be problem is in contact header? I think i have seen this problem somewhere...
2010/10/19 Brian West <brian@freeswitch.org>
Without sip traces of any other valid information we can only guess...

/b

On Oct 19, 2010, at 9:42 AM, Maxim Balabaev wrote:

> I`m having really strange problem. I connect new provider, changed all gateway settings but i can`t take calls. While debuggins external and so as global no invite packet is showing up. I even tryed tcpdump - absolutely nothing. Just pings. Outcoming are ok, register is ok. If I switch to asterisk - no problem occures. Support says that server refuses connection, while another gateway works perfectly. I don`t know what to do...
> May be this can be usefull to. Prov have multiple realms on server and accepts only @myprov.com format. While to asterisk invite is thrown with sipid@myip. I tryed changing server hostname to ip, but still nothing.
> Here is my conf:
> http://pastebin.com/qKqAv38a
> Really appritiate any help.
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