[Freeswitch-users] softphones on Amazon

[Andrew Cassidy]

One way audio is generally a NAT/Firewall issue at the client end, and
probably not related to EC2 at all.

There has been a lot of work in the wiki recently regarding NAT issues.

On 28 January 2013 09:26, Stuart Mills <stuart.mills3 at btopenworld.com>wrote:

>   Hi,
>
> I have a strange problem using FreeSwitch on an Amazon EC2 instance and
> was wondering if anyone out there could help me.
>
> The problem seems to be that I can register an extension from a remote
> network in say France, phone works ok but when passing calls to it (from
> sip peer through JavaScript to user extension) I get one way audio, the
> caller can hear me on the softphone but I can’t hear them – like the
> reverse audio path can’t be established.
>
> That would be ok and fixable if the issue was consistent but on another
> phone registered from within the UK, it all works fine and I get a good 2
> way conversation.
>
> If I dial from one softphone in France directly to the other in the UK,
> that works too.
>
> I followed the wiki’s guide to installing on Amazon and have everything
> right, otherwise I doubt it would work at all.
>
> Is anyone able to help me or have experience of this type of issue? Maybe
> it’s a local router issue to the phone in France but I didn’t need to do
> anything special to the one in the UK to work, so not sure it could be that
> either.
>
> Kind Regards,
>
> Stuart
>
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