Try if ($hdr(Expires) == "0") Note that expires can also be a contact parameter. /O On 19 Jan 2015, at 12:44, Emilio Soler Muñoz <emiliosoler(a)gmail.com> wrote: Hi, I find a problem when I try to search the header "Expires" with value 0. At my kamailio.cfg the configuration is: if ( search_hf("Expires", ":0@", "a") ) { xlog("L_INFO", "Encontrado expires 0 ($rm)"); } This way find nothing. I test with 0 (no wildcards regular expression), but this make matches in any Register with header Expires content 0. Example: ... if ( search_hf("Expires", "0", "a") ) .... I saw some people control expires=0 at contact header, but not my case. Example: if (search("expires=0")) { xlog("L_INFO", "Encontrado expires 0 ($rm)"); } Regards, -- Emilio Soler emiliosoler(a)gmail.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

For header Contact : if($sel(contact.expires) == "0") {

also may be used. BR, Julia On Mon, Jan 19, 2015 at 2:56 PM, Emilio Soler Muñoz <emiliosoler(a)gmail.com> wrote: Thank you all for the help. Finally, considering that according to the RFC in Contact header can only come expires = 0 I set this in my config file: ....... if (($ hdr (Expires) == "0") || ($ hdr (Contact) = ~ "expires = 0") ....... 2015-01-19 13:16 GMT+01:00 Olle E. Johansson <oej(a)edvina.net>et>: Try if ($hdr(Expires) == "0") Note that expires can also be a contact parameter. /O On 19 Jan 2015, at 12:44, Emilio Soler Muñoz <emiliosoler(a)gmail.com> wrote: _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Emilio Soler Muñoz 665801225 emiliosoler(a)gmail.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users