[asterisk-users] can't call through voip provider

[Landy Landy]

Thanks for replying.

But how come I'm able to use a softphone to place calls from withing the lan? I really dont get it. What ports should I enable in the INPUT chain?



--- On Wed, 11/18/09, Jared Smith <jsmith at digium.com> wrote:

> From: Jared Smith <jsmith at digium.com>
> Subject: Re: [asterisk-users] can't call through voip provider
> To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
> Date: Wednesday, November 18, 2009, 9:28 AM
> On Wed, 2009-11-18 at 06:01 -0800,
> Landy Landy wrote:
> > Please help me with this, I can find any solution on
> this pls help. Your help will be very appreciated. Thanks.
> 
> It appears that Asterisk keeps sending an SIP INVITE
> message to your
> provider, but not getting any kind of response.  After
> a number of
> attempts at re-transmitting the message, it's giving up.
> 
> You need to check your network configuration and find out
> why responses
> from the provider aren't getting back to your Asterisk
> system.  This is
> typically a problem with firewalls, either on the Asterisk
> system itself
> or between Asterisk and your VoIP provider.
> 
> 
> 
> -- 
> Jared Smith
> Training Manager
> Digium, Inc.
> 
> 
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