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@@ -7,11 +7,10 @@ NAT is Network Address Translation. When your FusionPBX and/or FreeSWITCH are in
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Default config
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^^^^^^^^^^^^^^^
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-The external_rtp_ip and external_sip_ip are set to $${local_ip_v4} in Advanced -> Variables by default.
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+The external_rtp_ip and external_sip_ip are set to $${local_ip_v4} in Advanced -> Variables by default. The local_ip_v4 variable is auto detected by FreeSWITCH. The variable can be also be overidden as a preset variable before it is used if you want to control the IP address that it represents.
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* This works good when the server has a public IP address.
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-* Also works good when all phones are inside the same network.
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-* The local_ip_v4 variable auto detects the IP address and sets it. This works well for systems that are inside NAT but using a SIP to TDM gateway.
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+* It also works well when all phones are inside the same network and nothing needs to traverse the NAT. For example if you are using a SIP to TDM gateway and all your phones are in the same network.
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SIP ALG
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@@ -23,7 +22,8 @@ Static IP
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^^^^^^^^^^^^^^^
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FusionPBX is behind NAT and you have a static public IP address and you have phones on the same network and/or outside the network.
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-* autonat:xxx.xxx.xxx.xxx
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+* Set external_rtp_ip to autonat:xxx.xxx.xxx.xxx
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+* Set external_sip_ip to autonat:xxx.xxx.xxx.xxx
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* If you don't register a gateway to the carrier you may need to port forward SIP and RTP.
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@@ -34,11 +34,7 @@ FusionPBX is behind NAT and you don't have a static ip address. You do have a fi
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* Enable UPnP or PMP in your firewall
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* In Debian OS /etc/default/freeswitch remove -nonat
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* Make systemd aware of the changes. systemctl daemon-reload
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-* Set external_rtp_ip and external_sip_ip to auto-nat in Advanced -> Variables.
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+* Set external_rtp_ip to auto-nat
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+* Set external_sip_ip to auto-nat
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* Restart FreeSWITCH. service freeswitch restart
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-
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-
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-
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-
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-.. _FreeSWITCH documented infomation on NAT: https://freeswitch.org/confluence/dosearchsite.action?queryString=nat
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FusionPBX