[Freeswitch-users] server to NAT'd server gateways

[Robert Oldham]

Bote,

Thank you for noting this in response to my query. It was helpful in
resolving my problems.

Robert

On 02/25/2015 06:58 AM, Bote Man wrote:
>
> FYI, I have just moved the High Availability and keepalived pages to
> Confluence.
>
>  
>
> https://freeswitch.org/confluence/display/FREESWITCH/High+Availability
>
>  
>
> Bote
>
>  
>
>  
>
> *From:*Sergey Safarov
> *Sent:* Wednesday, 25 February, 2015 02:08
> *Subject:* Re: [Freeswitch-users] server to NAT'd server gateways
>
>  
>
> 1) Create VPN connection betwen Sip_B (client) and Sip_A (server);
>
> 2) On VPN interface configure static IP address;
>
> 3) Configure station on Sip_B and gateway on Sib_A;
>
> 4) Route call from Sip_A to Sip_B like you has configured routing call
>  Sip_B to Sip_A;
>
> 5) To allow FS listen on VPN IP when VPN connection is down cconfigure
> sysctl variable "net.ipv4.ip_nonlocal_bind = 1"
>
> https://wiki.freeswitch.org/wiki/Freeswitch_HA
>
>  
>
> On Wed, Feb 25, 2015 at 5:37 AM, Robert Oldham
> <robert at oldhamtechnology.com <mailto:robert at oldhamtechnology.com>> wrote:
>
> I have two FreeSWITCH servers that I need to gateway calls between.
> Sip_A is on a public network with a static IP address. Sip_B is on a
> private network that is NAT'd. I am trying to pass calls from devices
> connected to Sip_B, through Sip_A and on to another server. I am also
> trying to pass calls from Sip_A into Sip_B. I don't have access to the
> firewall at the location of Sip_B so I am not able to forward standard
> ports into Sip_B.
>
> I am fairly new to FreeSWITCH, so I'm not certain how to solve this
> problem well. Many of the documents I have read online recommend using
> ACLs and port forwards for this. However, the private network does not
> have a static IP address that I can give access to and, as mentioned, I
> cannot make port forwards. Instead, I have created an extension on Sip_A
> and a gateway on Sip_B that registers using the extension on Sip_A. That
> works fine for passing calls from Sip_B through Sip_A and on. Sip_B has
> been maintaining a registered connection to Sip_A through the NAT'd
> connection for several days now without trouble.
>
> Not knowing a better solution, I have been searching for a gateway
> configuration on Sip_A that would allow it to route calls back over the
> registered extension from Sip_B. I have not found a way to accomplish it
> yet. As an alternative, I have also tried without success to create a
> passive gateway on Sip_A that the gateway on Sip_B could register with.
>
> Any help is appreciated!
>
> Thanks,
> Robert
>
>
>
> _________________________________________________________________________
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>
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>
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>
>  
>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services: 
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
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>
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