[asterisk-gui] Trunks/Service Providers

[Tony Mountifield]

In article <012101c92dc2$7c408bc0$74c1a340$@com>,
Trevor Benson <tbenson at a-1networks.com> wrote:
> So don't do service provider, just trunk, and don't use username or
> password, just IP? That will disable registration and just build a 'guest'
> trunk?  Or am I totally mixed up?

I'm not very familiar with the features provided by the gui, so I'm just
thinking in terms of the underlying config file architecture. But I think
you are right in that you just do trunk, not service provider.

You still need to have user names, because that is how the calling end
specifies which section of the called end's iax.conf will be used: [user]

So if you initiate a call to IAX/foo/12345, that will use the section
called [foo] in the calling system's iax.conf:

[foo]
type=peer
host=11.22.33.44
username=bar
secret=barpw
peercontext=barcon

In the called system's iax.conf it will need:

[bar]
type=user
secret=barpw
context=barcon
deny=0.0.0.0/0.0.0.0
allow=55.66.77.88

Where 11.22.33.44 is the called system's IP and 55.66.77.88 is the calling
system's IP. The call will then be routed to extension 12345 in the
context [barcon] in the called system's dialplan.

As far as I know, the called end's "context=barcon" doesn't remove the need
for "peercontext=barcon" at the calling end, but rather just adds barcon
to the list of permitted contexts. (anyone else feel free to correct!)

Cheers
Tony

> 
> > -----Original Message-----
> > From: asterisk-gui-bounces at lists.digium.com [mailto:asterisk-gui-
> > bounces at lists.digium.com] On Behalf Of Tony Mountifield
> > Sent: Friday, October 10, 2008 3:26 AM
> > To: asterisk-gui at lists.digium.com
> > Subject: Re: [asterisk-gui] Trunks/Service Providers
> > 
> > In article <013e01c92a3c$4dc59ad0$e950d070$@com>,
> > Trevor Benson <tbenson at a-1networks.com> wrote:
> > > I know this sounds sort of mundane, but can someone give me a brief
> > example
> > > of how service providers and trunks in Asterisk GUI 2 are used? I
> > setup
> > > trunks between systems all the time, and using the trunks interface
> > of the
> > > GUI I always seem to run into some weird thing where I am not placing
> > the
> > > correct values in each side.
> > >
> > > I am assuming that 2 systems will be trunked on IAX, and registering
> > to
> > > eachother.  Each one will have its own usename and password for the
> > > registration phase.  Thus HostA would send 'HostA' as its user with a
> > > password, and HostB would send 'HostB' as the user and password.
> > >
> > > Am I missing something?  It just seems like the GUI wants a single
> > username
> > > and password for both sides, or am I just not grasping how its
> > setting up
> > > the 'service provider' or trunks?
> > 
> > As I understand it, registration is only required when a host on a
> > dynamic
> > IP address needs to inform the other end of that IP (in order to
> > satisfy a
> > host=dynamic, so that the fixed host can initiate calls to the dynamic
> > one).
> > 
> > So having both ends of a link register to each other doesn't make
> > sense,
> > since at least one end must be on a known fixed IP address.
> > 
> > If both ends are on fixed IPs, just specify those IPs in the iax
> > contexts
> > and don't bother with registration at all.
> > 
> > Or is there another factor in registration that I have missed?
> > 
> > Cheers
> > Tony
> > --
> > Tony Mountifield
> > Work: tony at softins.co.uk - http://www.softins.co.uk
> > Play: tony at mountifield.org - http://tony.mountifield.org
> > 
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-- 
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org