[Freeswitch-users] NAT and Freeswitch

[curriegrad2004]

I also forgot to mention that that the nf_nat_sip module in Linux
replaces the STUN's server role pretty well

On Mon, Jul 25, 2011 at 6:39 PM, curriegrad2004
<curriegrad2004 at gmail.com> wrote:
> The SIP UA only needs to be configured to use NAT in this case. The FS
> Server does not need any configuration in this case.
>
> On Mon, Jul 25, 2011 at 5:55 PM, Narendra Sirugudi <nsirugudi at gmail.com> wrote:
>> Just in case my diagram got bungled:
>> The use case is:  Freeswitch in the public network, with a SIP UA in a
>> private network talking to Freeswitch across a NAT Server.
>> --naren
>> On Tue, Jul 26, 2011 at 5:51 AM, Narendra Sirugudi <nsirugudi at gmail.com>
>> wrote:
>>>
>>> __________________________
>>> |                                            |
>>> |________
>>> ____|_____                                            ___________
>>> ||              |                     |
>>> |  74.1.1.1               74.1.1.2 |                   |
>>> || SIP UA  |---------------------| NAT
>>> Server|------------------------------------------| Freeswitch  |
>>> ||________|10.10.10.10    |__________|         Public Network
>>> |___________|
>>> |                                             |
>>> 74.1.1.0
>>> |    Private Network 10.10.10.0   |
>>> |__________________________|
>>>
>>> Hi,
>>>
>>> In the above topology, the typical issue one faces is that the SDP(rtp)
>>> IP&port in SIP invite sent from the SIP UA to Freeswitch will contain the
>>> private Ip address of the SIP UA.
>>>
>>> Assuming source NAT, the typical solution is to use a STUN server  in the
>>> public network, which will help the SIP UA to discover the public IP&port
>>> (for its private IP&port). The UA then sends the Invite with the SDP(RTP)
>>> IP&port set to the discovered public IP&port. (I believe Freeswitch does not
>>> have a STUN server within itself.)
>>>
>>> But suppose that we do not want to use the STUN solution. Does Freeswitch
>>> itself offer any solutions in this case ?
>>>
>>> thanks,
>>> --naren
>>>
>>
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>>
>