@@ -46,6 +46,8 @@

 #include "tps_msg.h"

 #include "tps_storage.h"

+#define TPS_METHODS_NOCONTACT (METHOD_CANCEL|METHOD_BYE|METHOD_PRACK)

+

 extern int _tps_param_mask_callid;

 extern int _tps_contact_mode;

 extern str _tps_cparam_name;

@@ -582,6 +584,10 @@ int tps_reinsert_contact(sip_msg_t *msg, tps_data_t *ptsd, str *hbody)

 {

 	str hname = str_init("Contact");

+	if (get_cseq(msg)->method_id & TPS_METHODS_NOCONTACT) {

+		return 0;

+	}

+

 	if(tps_add_headers(msg, &hname, hbody, 0)<0) {

 		return -1;

 	}