Hello,

On 8/29/13 5:24 PM, Helena Garcia-Nieto wrote:

Thanks! Thank you very very much for your help.

I'll add the ngrep next time!

I'm absolutely new at kamailio and I'm doing the Subs on the main config file (/usr/local/etc/kamailio/kamailio.cfg) on the PSTN call detection route[PSTN] {:

if(!($rU=~"^(\+|00)[1-9][0-9]{3,20}$"))

return;

# only local users allowed to call

if(from_uri!=myself) {

sl_send_reply("403", "Not Allowed");

exit;

}

if (strempty($sel(cfg_get.pstn.gw_port))) {

$ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip);

} else {

$ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip) + ":"

+ $sel(cfg_get.pstn.gw_port);

}

# modifications to acces env5

subst_uri('/^sip:00(.*)/sip:\1/i'); #append delete the 00

subst('/^Contact: (.*)>.*$/Contact: \1>/i');#delete the parameter that is anoying env5 on contact header

And I cannot find the msg_apply_changes(); part on that file, can you tell me where I can better do the subs, in which file?

msg_apply_changes() is not used in default config file, you have to add it yourself -- it is part of textopsx module which is loaded in default config file -- see its readme for more details.

I'm not actually moving the > just droping everything after it.


Better said, you remove the contact header and then add only the part up to >, but the operations done inside are a bit different than people would might expect, by using data lumps (if you search in mailing list archive you can find more details).

I'm sure there is a better option to change the contact header, would you have any suggestion?

You can give a try with:
subst_hf("Contact", ">.*$", ">");
but might result in same troubles, because alias parameter is added after this operation. So you have to use msg_apply_changes(). But don't forget to move the record_route() after msg_apply_changes().

Cheers,
Daniel

--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Trainings - Berlin, Oct 21-24; Miami, Nov 11-13, 2013
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