I would like to do a very basic install of sipXecs with the latest ISO. I
have a public domain with the needed SIP records.
Now I see that the sipX proxy is not starting because it requires a local
DNS server with the same SIP records but pointing its local address.
I understand that this is basically masquerading the public entries to make
things easier at the local network - but is this mandatory by design of
sipX?
I have a Zyxel USG-100 Firewall/UTMA with SIP ALG and would like my SIP
phones to use the public SIP DNS records (and the public IP) and then NAT /
ALG the phones' requests back ("hairpin") to the sipX proxy.
- I am just learning about deployment, is NATing / ALGing to "hairpin"
the stuff a smart idea? Is it generally possible?
- Whether it is smart or not, can sipX be configured to not require a
local DNS server? - so that I can try the above?
Thank you very much for any ideas / advices. I am an IT student and have
just started exploring the possibilities of SIP PBX deployments.
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