External IP setup

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guidot

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Feb 22, 2018
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Our phones and FusionPBX 4.4.1 are together in the same LAN behind NAT with dynamic IP. Router is pfsense, set up this way.
Without changing the defaults for external_rtp_ip and external_sip_ip pbx is registering successfully with two providers and I am already able to make inbound and outbound calls.

But according to the docs I have to tell FusionPBX it's external IP. But whichever method I tried I loose the ability to make calls (either direction):
  • First I put the URL of a dynDNS entry into external_rtp_ip and external_sip_ip and made sure it is actually pointing to the router's WAN-IP.
  • Then I tried the current WAN-IP (as if it were static).
Is it possible that the defaults are already correct and just the docs are outdated?

Guido
 
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