dSIP Router Behind a Firewall

Yitzchak Pachtman

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Dec 10, 2020, 3:07:44 PM12/10/20

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Hey all,

First time install, had trouble with Centos7, so we're now using Debian 9.

I installed dSIP by running: ./dsiprouter.sh install -all -servernat

The dSIP router is a VM behind a firewall, and on the same LAN as the PBX.

I logged into the GUI and created an Endpoint Group "PBX", under Endpoints, I added the PBX LAN IP, it got a PBX ID = 64.

Then I went to domains and entered the domain name as pbx.domain.com, selected 'Pass Thru to PBX' and entered PBX ID 64

I went to the phone, entered the dSIP domain name and I successfully registered extension 6406, I can call any extension on the PBX, as well as any external phone number. But non of the extensions on the PBX can reach this extension, as well as no external incoming calls.

Looking at sngrep I see that the call is marked as rejected. And it seems to not be able to find 6406.

What am I missing?

Thank you

Yitzchak Pachtman

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Dec 10, 2020, 3:09:59 PM12/10/20

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If you have trouble reading these images, try right clicking on it and select 'open image in new tab'

I will try to attach all images in this post as regular attachments as well.

Thanks all

Endpoint Group.png

dSIP sngrep2.png

Domains.png

dSIP sngrep1.png

richard

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Dec 11, 2020, 10:05:26 AM12/11/20

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Hey, what pbx are you using? Also can you provide us with what the location table looks like by running: mysql kamailiio -e "select * from location"?

Yitzchak Pachtman

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Dec 14, 2020, 8:06:42 AM12/14/20

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Hey Richard,

We're using VitalPBX (an Asterisk Based PBX). Sorry I forgot to mention that the domain is setup as PBX Pass Thru.

The location table is empty

MariaDB [kamailio]> select * from location;

Empty set (0.00 sec)

MariaDB [kamailio]>

Let me know if there's any further information you want me to provide.

Thank you

Antonio Italiano

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Dec 14, 2020, 4:43:53 PM12/14/20

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i have posted the same issue May 14, 2019 (u can check by email)

We're using FREEPBX

but is is not resolved from that time

Mack Hendricks

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Dec 14, 2020, 4:47:08 PM12/14/20

to Antonio Italiano, dSIPRouter

Hey Antonio,

There should be some info in the location table. This is how dSIP will route the call back to the endpoint. Something is wrong here. Can you try and register your phone thru dSIP and then do "select * from location;”. You should see data in there

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Antonio Italiano

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Dec 14, 2020, 5:29:46 PM12/14/20

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ok
1-so in my example i passthru to FreePBX SIP 55555 (ID 3 ) in select * from location
2- i also can make calls from 55555 but nobody can call 55555 because of picture #2

Screenshot_2020-12-15_00-24-36.png

Screenshot_2020-12-15_00-26-35.png

Yitzchak Pachtman

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Dec 15, 2020, 7:37:41 AM12/15/20

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Sorry when I checked I had removed the extension from the proxy. I re-added and checked.

Here's the results: https://pastebin.com/raw/RfrMriEG

Please let me know if you need anything further

Thanks

On Friday, December 11, 2020 at 10:05:26 AM UTC-5 richard wrote:

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