[Serusers] Outbound Proxy

dhiraj.2.bhuyan at bt.com dhiraj.2.bhuyan at bt.com
Fri Oct 17 17:21:03 CEST 2003


Thanks for the reply.
A quick google search and I found one B2BUA from http://www.vovida.org/applications/downloads/b2bua/

Is there any other open source B2BUA for Linux/Unix platform?

Thanks,

Dhiraj

-----Original Message-----
From: Jan Janak [mailto:jan at iptel.org]
Sent: 17 October 2003 15:25
To: Bhuyan,D,Dhiraj,XVR3 R
Cc: serusers at lists.iptel.org
Subject: Re: [Serusers] Outbound Proxy


Hello,

no, it is not possible because you can't change To and From header
fields in the message and also the gateway ser can't respond to digest
challenge from the registrar because it doesn't know user's credentials.
You will need a B2BUA for this kind of job.

  Jan.

On 17-10 14:43, dhiraj.2.bhuyan at bt.com wrote:
> Hello All,
> 
> Can anyone tell me whether the following setup can be achieved with SER?
> 
> 
> [UA] <-------> [Gateway/NAT/SER Proxy] <--------> [SER Registrar]
> 
> 
> 1. The UA is behind a NAT gateway.
> 2. Whenever the SER Proxy on the NAT Gateway receives a registration request from a UA ( tester at gateway )on the private network, it sends a registration request ( tester at ser-registrar ) to the "SER Registrar" on behalf of the UA. This means the SER Proxy should be able to translate a SIP URI on the public side ( tester at ser-registrar ) to one on the private side ( tester at gateway ) and forward it to the right machine.
> 
> 
> Any feedback will be greatly appreciated.
> 
> Regards,
> 
> Dhiraj Bhuyan
> Security Research Engineer
> BTexact
> 
> Tel:   +44 1473 643932
> Mob:   +44 7753231984
> Email: dhiraj.2.bhuyan at bt.com 
> 
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