Where is fusion getting it's variables?

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nktech1135

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Dec 16, 2017
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I'm setting up a new fusion instance for myself. This is not the first time i have done this or the only fusion instance i have running but i always wanted to learn a little more about how variables are stored. For example, where is fusion getting the variable for rtp ip?
In advanced>variables i find a variable called 'external_rtp_ip'. the value is '$${local_ip_v4}'. How does fusion find out what '$${local_ip_v4}' actually is?

Thanks.
 
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ad5ou

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Jun 12, 2018
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It pulls the IP from operating system. When system has a public IP everything works, but there isn’t anything in install scripts to attempt to figure out if system is behind NAT.

if you really want to know what is going on during install, just follow along the commands in install.sh. The initial script calls several other scripts for the various steps but is all there to see.

Several settings can be preset by editing /usr/arc/fusionpbx-install/debian/resources/config.sh before running install.sh
 
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markjcrane

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Jul 22, 2018
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This local_ip_v4 is a special FreeSWITCH dynamic variable which reads it from the operating system you can override it by putting a value of local_ip_v4 in advanced -> variables before it is used by another variable.
 
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