[Serusers] SIP to PABX

[Jan Janak]

Try asterisk, http://www.asterisk.org

  Jan.

On 09-11 11:44, E. Versaevel wrote:
> Hello,
> 
> I'm looking for some sort of gateway which can REGISTER itself at my SER
> server, can respond to 407 messages and is directly connected to a pabx
> (either using ISDN-2 or E1). So basically a SIP <--> ISDN-2 / E1 gateway
> which acts as a user agent (or multiple).
> 
> The reason for this is that we don't want to replace the current pabx (which
> only has ISDN-2 or E1 for external communication). 
> I've found some devices from Mediamatrix (http://www.mediamatrix.com), but I
> would like to know if any more of you have come across the same problem and
> which devices you use.
> 
> Some wonderfull ASCII art:
> 
> 
>  SIP   |----|  ISND-2 or E1   |----|
> -------|    |-----------------|    |-- internal phone network
>        |----|                 |----|
>       Gateway?                 PABX
> 
> The reason I want the gateway to be able to authenticate itself is that the
> gateway is located at another location(so the SIP in the picture above will
> be going onto the internet), so I don't want people to be able to spoof the
> IP of the gateway.
> 
> Kind Regards,
> E. Versaevel
> 
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