[Freeswitch-users] MultiNAT

Kurtis Heimerl kheimerl at cs.berkeley.edu
Wed Jul 23 03:12:40 MSD 2014


Hey Users,

I have an interesting NAT setup. I'm running FS on the inside of our
network as a router/proxy between some SIP phones and DID providers.
However, each DID provider is behind a *different* NAT (a property of our
VPN setups for them).

For instance: DID1 is at IP 192.168.1.1 and DID2 is at 10.0.0.1.

I have calls working for each of them when I set the following in my
external profile:

<param name="ext-rtp-ip" value="10.0.0.2"/>
<param name="ext-sip-ip" value="10.0.0.2"/>

However, I need to dynamically route between *both* of them. I need a
mechanism for setting ext-rtp-ip and ext-sip-ip in the dialplan itself!

Is there a set way to do this?

Thanks!
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