[Freeswitch-users] Setting Up an Sip Trunk without Authentication

Michael Collins msc at freeswitch.org
Thu Jun 16 22:15:30 MSD 2011


If you are simply handling incoming calls then you will need to do two

Add Velocity's IP addr to the domains section of acl.conf.xml
Add an extension to the public context (conf/dialplan/public.xml)

Allowing a call into FS via an ACL will send it into the "public" context;
from there you need to transfer it to the default context or just send it
straight to your Lua script.

Also, I don't believe you need to use a "bridge" app based on the
description you gave. Bridge is used to create a new outbound call leg (B
leg) and connect it to the inbound call leg (A leg). If you just are
handling a call with an IVR then there is no B leg needed, thus no need to

Welcome to FreeSWITCH, btw! :) I can highly recommend the FS book (the
"bridge" book, ironically) as it discusses some of these basic concepts that
will make your FS experience a whole lot more pleasant.


On Thu, Jun 16, 2011 at 8:54 AM, Dave <dave at clancysystems.com> wrote:

>  Hi,
> I am new to FreeSWITCH and need to set up FreeSWITCH to receive calls
> through a Velocity Networks SIP trunk. They say I should not authenticate
> with Username and Password. Rather, I connect directly to the their IP
> address.
> I put
> <extension name="velocity">
>       <condition field="destination_number" expression="^2064001950$">
>         <action application="bridge" data="sofia/external/$
> {destination_number}@their_ip_address"/>
>         <action application="lua" data="cme_ivr.lua channel_name"/>
>      </condition>
> </extension>
> in the default.xml under Dialplan
> When I Dial the DID from a Phone (not one connected to the FreeSWITCH
> server) I get the "SIP auth challenge (INVITE) on sofia profile 'internal'
> for [myphone at theirIP] from their IP, but nothing more.
> What I hope to do is take the incoming call from 2064001950 and route it to
> the Lua IVR script above.
> I Appreciate any help you may offer.
> Dave Goodwin
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