[Freeswitch-users] Working with an ancient SPA-3000 in the UK, can't get gateway registration working?

Matthew Macdonald-Wallace matt at doics.co
Sat Feb 20 15:52:09 UTC 2021

Hi all,

In an attempt to add VoIP to my home network, I'm working with
Freeswitch and FusionPBX.

My outbound connection to the PSTN is via an aging SPA-3000, and whilst
I can get the SPA-3000 to register correctly as a "user", I can't get
the "gateway" side of things in FusionPBX/Freeswitch to register with
the SPA-3000 for outgoing calls.

All of the articles I can find online relate to the SPA-3201 or similar,
which is a very different beast to the SPA-3000.

The error in the logs is as follows:

2021-02-20 08:53:57.680948 [NOTICE] sofia_reg.c:454 Registering
2021-02-20 08:54:00.820948 [ERR] sofia_reg.c:2470 b1039375-091b-478c-
86e4-11a25d3c9d00 Failed Registration with status Service Unavailable
[503]. failure #35
2021-02-20 08:54:01.700955 [WARNING] sofia_reg.c:511 b1039375-091b-478c-
86e4-11a25d3c9d00 Failed Registration [503], setting retry to 30

and my settings look like this:

Gateway: outbound
username: 1900
password: 1234
>From User: <my landline number>
>From Domain: <BLANK>
Proxy: <IP ADDRESS OF SPA-3000>:5060
Realm: <IP ADDRESS OF SPA-3000>
Expire Seconds: 800
Retry Seconds: 30
Distinct To: <BLANK>
Auth Username: user
Extension <Blank>
Register Transport: <BLANK>
Register Proxy: <IP ADDRESS OF SPA-3000>:5060
Outbound Proxy: <IP ADDRESS OF SPA-3000>
Caller ID in From: True
Suppress CNG: <BLANK>
Sip CID Type: <BLANK>
Codec Preferences: <BLANK>
Extension in Contact: <BLANK>
Ping: <Blank>
Ping Min: <Blank>
Ping Max: <Blank>
Channels: 1
Hostname: <Blank>
Domain: Global
Context: Public
Profile: External
Enabled: True
Description: Blank

I'm sure this is something really obvious that I'm missing in the
settings, so all help is appreciated!

Thanks in advance,

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