On Mon, 2010-12-20 at 17:26 +0100, Henry Dogger wrote:

Thanks, but we have a different setup... We have clients (phones) connecting from the internet, and will register and call to externalIP:5060. Is a setup like this possible as well?

Henry

-----Original Message----- On Mon, 2010-12-20 at 17:00 +0100, Henry Dogger wrote:

...

Hi all,

We have a kamailio installation for our voip system and would like to add a SBC.

We found the freeswitch possibility: http://wiki.freeswitch.org/wiki/SBC_Setup

But in this case, 302 Redirect SIP is used, we would like the SBC to act as a pass-through controller, just to be a gateway for SIP clients from outside.

Is something like this possible? And will registrations be handled correctly since all SIP messages will be on port 5060.

Thanks in advance.

Kind regards, Henry Dogger Telecats BV

There's a great tutorial for Kamailio / Freeswitch on the Asipto site:

http://kb.asipto.com/freeswitch:kamailio-3.1.x-freeswitch-1.0.6d-sbc

Yes. That's pretty straight forward in the tutorial.

We would like to use the SBC, between customers and Kamailio. Since we have a few systems behind our kamailio where customers are routed with reverse routing, we want to shield our internal IP addresses.

-----Original Message----- From: Klaus Darilion [mailto:klaus.mailinglists@pernau.at] Sent: dinsdag 21 december 2010 10:37 To: Henry Dogger Cc: sr-users@lists.sip-router.org Subject: Re: [SR-Users] SBC on kamailio

Am 20.12.2010 17:00, schrieb Henry Dogger:

Hi all,

We have a kamailio installation for our voip system and would like to add a SBC.

Where do you want to have the SBC? Between the customers and Kamailio?

SBC is a shortcut for various functions: NAT traversal, topology hiding,

enforcing security policies, ...

Depending on what you need the SBC for you can use different softwares in different setups.

There's a great tutorial for Kamailio / Freeswitch on the Asipto site:

http://kb.asipto.com/freeswitch:kamailio-3.1.x-freeswitch-1.0.6d-sbc

In this case Freeswitch is used as B2BUA, probably for topology hiding and session control, and also as media server, but not as a typical SBC which is located between the customer and the SIP proxy.

regards klaus

(not top posting)

On Tue, 2010-12-21 at 15:14 +0100, Henry Dogger wrote:

Any ideas for setting up a setup like this?

-----Original Message----- From: sr-users-bounces@lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Henry Dogger Sent: dinsdag 21 december 2010 10:50 To: Klaus Darilion Cc: sr-users@lists.sip-router.org Subject: Re: [SR-Users] SBC on kamailio

We would like to use the SBC, between customers and Kamailio. Since we have a few systems behind our kamailio where customers are routed with reverse routing, we want to shield our internal IP addresses.

It sounds like you really just want topology hiding... you can use the topoh module for that.

http://kamailio.org/docs/modules/3.1.x/modules/topoh.html

http://by-miconda.blogspot.com/2010/01/best-of-new-in-kamailio-300-10-topolo...