[SR-Users] min expires question

[Fabian Borot]

I think that can easily become a problem if all the users decide to send registrations as they please. I tried looking into ratelimit and pike and it wont solve my problem.
What is the extent of the setting min_expires on this module? Will it create a 423 reply to the user or is not the intended behavior?

In the mean time I am trying to craft a 423 Message when the expires in the Contact header or in the Expires header is less than the min_expires set in the config but I am having problems parsing and looking for the Expires header. With the expires in the contact is easy using the select feature or parsing the whole contact using $ct:

xlog("L_INFO","mylog: Contact Header: [$ct].\n");
$var(c_expires) = $(ct{s.select,1,=}); 

or this way, it is more accurate

$sel(@contact.expires)


but I can't find a way to do the same thing with the Expires headers. In the same page that I found the "select " it says:
"The select is a READ-ONLY "function", that helps to get
 direct access to some parts of SIP message within the script (like @to,
 @cseg.method, @msg["P-anyheader-youwant"]) ...."

So I am trying to use this @msg["P-anyheader-youwant"] but I can't make it work.

 Any ideas?
txs a lot in advance
 		 	   		   		 	   		  
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