[SR-Users] Question about relaying

[Leo Brown]

Ace, 

So record-route goes like a stack and moves the current contact one down the chain.

You could then presumably truncate the list of other routes for privacy if needed?

I don't see why all "record-route" entries need to be maintained if the conversation is mediated by Kamailio.

Leo

On 3 May 2013, at 16:29, Henning Westerholt <hw at kamailio.org> wrote:

> if you want to ensure that your kamailio stays on the path of the dialog for 
> following requests you probably want to use record-route headers for this. 
> This is usally done with the rr module, record_route() function.
> 
> To quote from iptel.org:
> 
> "[A] Mechanism by which a proxy can inform user agents that it wishes to stay 
> on the path of all further messages is called record routing. Such a proxy 
> would insert Record-Route header field into SIP messages which contain address 
> of the proxy. Messages sent within a dialog will then traverse all SIP proxies 
> that put a Record-Route header field into the message.
> 
> The recipient of the request receives a set of Record-Route header fields in 
> the message. It must mirror all the Record-Route header fields into responses 
> because the originator of the request also needs to know the set of proxies."

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