[Serusers] Adding headers to the "200 OK" response

Marian Dumitru marian.dumitru at voice-sistem.ro
Tue Nov 30 08:53:37 CET 2004


Hi Kanakatti,

you can add whatever header to the replies via script function
	append_to_reply("some_header\n\r");
from "textops" module.

Best regards,
Marian

Kanakatti Mahesh Subramanya wrote:
> Is it possible to manipulate the "200 OK" response to a REGISTER method?
> I need to add a header field to it, and as far as I can tell, there 
> really is no way to do this.
> 
> Why do I want to do this?
> Well, Snom foneslook for the presence of a "P-NAT-Refresh: <yyyseconds>" 
> header in the "200 OK" response to their REGISTER methods. If the header 
> is present, the fones start sending out "keep-alive" packets every yyy 
> seconds, thus keeping NAT bindings open
> 
> Why dont I just use "natping_interval" in mediaproxy?
> Because there are a whole bunch of routers (linksys firewall/routers, 
> dlink ones, etc.) which only keep the binding open when there is a 
> packet sourced from the internal network.
> 
> Cheers
> 
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> serusers at lists.iptel.org
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