Re: [OpenSBC] SIP Trunk to SIP Provider

[Joegen E. B. <joe...@gm...>]

If OpenSBC is residing on 222.222.222.222 and has dual interface with 
routes to 192.168.1.10, then all you need to do is to run opensbc in 
B2BUA Mode and add the necessary routes in B2BUA routes to point dialing 
rules for your outbound and inbound traffic.  OpenSBC will be a natural 
bridge between you and your provider.

Example:

[sip:1212*] sip:111.111.111.111    <-------- route to your provider
[sip:?????] sip:192.168.1.10           <-------- routes all 5 digit dial 
stings to your server


rmcfadzien wrote:
> Hi All
>
>
> I am wanting to use opensbc to allow our SIP server on our internal LAN to work with a SIP provider in a trunk fashion. Our internal SIP server is 192.168.1.10, our SIP provider is 111.111.111.111 and our outside address on our firewall is 222.222.222.222 with everything forwarded to 192.168.1.10.
>
>
> Our internal number range is 5 digits eg. 2xxxxx, 3xxxxx, 4xxxxx, 5xxxxx, 6xxxxx, 7xxxxx
>
>
> Our SIP provider requires no authentication, they are using IP restrictions so we can send any number to them and they will accept without a username and password. I want the opensbc to ensure that our SIP headers reach the provider with the address 222.222.222.222 (instead of 192.168.1.10) and I want the provider to be able to dial in to any of our number range and be forwarded to 192.168.1.10 with the header intact.
>
>
> Would anyone be able to give me the config to make this work ?
>
>
> Look forward to any suggestions, sorry I am admittedly clueless in this area but am willing to learn and try anything,
>
>
> rob.
>
>
>
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