[Freeswitch-users] mobile phone clients / fs cluster

[Phillip Jones]

Tod,

Thanks for your reply:

>>> The 3G networks are just like connecting wirelessly to the internet.
Depending on your provider, your phone gets an internet addressable address,
or just an internal network address which is NATed before going to the
internet

It appears to me that the if a mobile device contacts FS1,  the mobile
device accepts ip packets from FS1. But NOT from FS2. And vice versa.

The invite from FS1 and FS2 are exactly the same (except for the IP address
of course).

So let me ask, can a mobile device receive unsolicited packets from the
Internet? Or are these restricted? If they are restricted, the above makes
sense.


Pj



On Fri, Apr 30, 2010 at 8:02 PM, Tod Hansmann <freeswitch.org@
todandlorna.com> wrote:

>  Phil (Or do you prefer Phillip?),
>
> You will need to probably draw this out a bit.  What is the path by which
> the home office phones connect to the FS boxes?  What path do the cell
> phones take?  What routes do you have for the return data on each box?  Are
> any NATs/Firewalls involved?
>
> I think this is firmly a networking question.  The proxy might come into
> play as well here.  The 3G networks are just like connecting wirelessly to
> the internet.  Depending on your provider, your phone gets an internet
> addressable address, or just an internal network address which is NATed
> before going to the internet.  That NAT can be tested, if you have the right
> tools on your phone and what you're connecting to, but that will change from
> provider to provider and maybe even day to day, location to location.
>
> That should be enough to start thinking about the problem and where it
> might lay.
>
> Cheers,
>
> Tod Hansmann
>
>
> On 4/30/2010 4:26 PM, Phillip Jones wrote:
>
> Ram,
>
>  I think thats what I am asking? I am not sure how the 3G network works.
> Whether there are restrictions on how servers can communicate to clients
> etc.
>
>  Perhaps I am just way of base also. I don't know. TGIF.
>
>  Pj
>
>
> On Fri, Apr 30, 2010 at 1:11 AM, ram <talk2ram at gmail.com> wrote:
>
>> Hi
>>
>> why not its possible
>>
>>  Ram
>>
>>   On Fri, Apr 30, 2010 at 2:26 AM, Phillip Jones <pjintheusa at gmail.com>wrote:
>>
>>>  Hi there,
>>>
>>> I have two FS servers (FS1 and FS2) behind an inbound OpenSIPS proxy.
>>> Outbound (terminating) traffic goes directly from each FS box.
>>>
>>> All my home office phones get calls no matter which box they are
>>> registered with or which box the call comes in on - thanks Anthony.
>>>
>>> However my SIP client on various iPhone/Androids etc only receive calls
>>> that originate on the box on which they are registered.
>>>
>>> Looking at the SIP trace - when the call comes in on the 'wrong' box, the
>>> invites to these SIP clients do not even get a response. Presumably because
>>> the 3G network has no idea who this new IP in the "from address" is, who
>>> trying to contact them.
>>>
>>> Question is, is there a way around this - our will I have start routing
>>> all terminating traffic out through the proxy also.
>>>
>>> Any insight appreciated.
>>>
>>> Thanks!
>>>
>>> Pj
>>>
>>>
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