[asterisk-bugs] [JIRA] (ASTERISK-28355) Trunk to Inbound works for a few seconds only

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team closed ASTERISK-28355.
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> Trunk to Inbound works for a few seconds only
> ---------------------------------------------
>
>                 Key: ASTERISK-28355
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28355
>             Project: Asterisk
>          Issue Type: Information Request
>      Security Level: None
>          Components: Channels/chan_sip/Registration
>    Affects Versions: 13.19.1
>         Environment: My host is Windows 10. 
> I have a VirtualBox running RedHat and freePBX 14.0.5.25.
> All trying to connect to my Voipfone account / numbers
>            Reporter: Michael
>            Severity: Critical
>
> Hands up - this is my first attempt at anything PBX.
> My Unix / Linux skills are pretty good.
> I suspect using VirtualBox is a complication here but I wanted to experiment before spending on hardware / software.
> I'm actually on my 3rd VirtualBox and freePBX install now. All 3 have connected fine (via CHAN_SIP) to my voipfone account and can make outgoing calls. Unfortunately all 3 also have the same problem with Inbound calls.
> The problem is a weird one and not one I can find reported anywhere else..... Inbound calls are routed very simply through CHAN_SIP to a custom destination in extensions_custom.conf
> Following a fwconsole restart or even just following an "Apply Config" change from the freePBX gui, calls are routed correctly to my custom destination...... but only for about 20 seconds!
> After 20 seconds freePBX seems to disconnect (any current calls can continue) and no longer picks up on Inbound Routes. The caller gets a "The person you called is currently unavailable voicemail prompt".
> It doesn't matter whether the custom destination has received none, one or many calls in that 20 seconds.... it always disconnects after that.
> I haven't been able to find anything in the logs to indicate what is going on but of course I don't know what I don't know!
> I suspect a firewall issue in the router, windows host, virtualbox or linux. I've messed around with opening up the ports, putting in DMZ, disabling firewall etc. etc. so if it IS firewall related I don't know how to solve it.
> I've had a few sleepless nights already. I may be being thick but I HAVE tried!



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