On 2 May 2006, at 01:25, Tom Engleward wrote:
I have an asterisk system behind NAT, and need to
connect to public PSTN originators via SIP or IAX2,
but don't have the option of forwarding any ports
(4569, 5060, etc) to the asterisk system. However, the
NAT system does properly establish
--- Tim Panton [EMAIL PROTECTED] wrote:
Yes. That is the way that IAX2 likes to work.
Ok.
However, not all providers will allow it, some
require a fixed IPaddress
and port for them to send calls to.
Is this the reason for the recommendation I've seen in
various forums to have port 4569
I have an asterisk system behind NAT, and need to
connect to public PSTN originators via SIP or IAX2,
but don't have the option of forwarding any ports
(4569, 5060, etc) to the asterisk system. However, the
NAT system does properly establish transient UDP
forwarding on the basis of outgoing