I've found a novel work-a-round: I have a server on the Internet
in a data centre that maps a real static address to the dynamic IP
address of the computer connected via. the ISP. I've got a script
that runs on the client ISP connected machine (its running Linux an
the script is in the ppp-up.d directory so runs automatically
everytime the pc reconnects and gets a new dynamic IP) - this
client script (perl) talks to the server daemon (also perl) and
then the data centre server re-maps the static IP to the dynamic IP
- it redirects (using socat - excellent software!) to redirect the
IAX2 port and the RTP ports between the IP addresses so that the
normally dynamic IP addressed asterisk server now always has a real
live static IP address.
This solution is working very well between two remote offices
passing calls between the central data server computer.
I wonder would this solution help many people? I now couldn't live
without it. If other people are interested I could have a little
business renting people static mapped IP addresses.
Who needs that when there's dyndns and similar free services which
are even supported by many routers? I have a dyndns hostname and my
router is configured to contact the dyndns site whenever the IP on
the public side changes. Works very well for my Asterisk setup at home.
jens
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