Index: ser_ims/modules/isc/third_party_reg.c
===================================================================
--- ser_ims/modules/isc/third_party_reg.c	(revision 11549)
+++ ser_ims/modules/isc/third_party_reg.c	(revision 13364)
@@ -132,8 +132,8 @@
 		r.cv = cv;
         r.service_info = m->service_info;
          
-		if (expires<=0) r_send_third_party_reg(&r,0);
-		else r_send_third_party_reg(&r,expires+isc_expires_grace);
+		if (expires<=0) r_send_third_party_reg(&r,0, msg);
+		else r_send_third_party_reg(&r,expires+isc_expires_grace, msg);
 		return ISC_RETURN_TRUE;
 	}else{
 		return ISC_RETURN_FALSE;
@@ -162,6 +162,9 @@
 static str body_s={"<ims-3gpp version=\"1\"><service-info>",36};
 static str body_e={"</service-info></ims-3gpp>",26};
 
+static str content_type_message_sip={"Content-Type: message/sip\r\n",27};
 
 #ifdef WITH_IMS_PM
 	static str zero={0,0};
@@ -173,7 +176,7 @@
  * @returns true if OK, false if not
  */
 
-int r_send_third_party_reg(r_third_party_registration *r,int expires)
+int r_send_third_party_reg(r_third_party_registration *r,int expires, struct sip_msg *msg)
 {
         str h={0,0};
         str b={0,0};
@@ -198,6 +201,10 @@
         if (r->cv.len) h.len += p_charging_vector_s.len +
                 p_charging_vector_e.len + r->cv.len;
 
+        h.len += content_type_message_sip.len;
+
         h.s = pkg_malloc(h.len);
         if (!h.s){
 			LOG(L_ERR,"ERR:"M_NAME":r_send_third_party_reg: Error allocating %d bytes\n",h.len);
@@ -237,21 +244,34 @@
                 STR_APPEND(h,p_charging_vector_e);
         }
         LOG(L_CRIT,"SRV INFO:<%.*s>\n",r->service_info.len, r->service_info.s);
-		if (r->service_info.len){
-			b.len = body_s.len+r->service_info.len+body_e.len;
-	        b.s = pkg_malloc(b.len);
-	        if (!b.s){
-				LOG(L_ERR,"ERR:"M_NAME":r_send_third_party_reg: Error allocating %d bytes\n",b.len);
-				b.len = 0;
-	            return 0;
-	        }
-	
-	        b.len = 0;
-	        STR_APPEND(b,body_s);
-	        STR_APPEND(b,r->service_info);	        
-	        STR_APPEND(b,body_e);	        
+	if (r->service_info.len){
+		b.len = body_s.len+r->service_info.len+body_e.len;
+		b.s = pkg_malloc(b.len);
+		if (!b.s){
+			LOG(L_ERR,"ERR:"M_NAME":r_send_third_party_reg: Error allocating %d bytes\n",b.len);
+			b.len = 0;
+			return 0;
 		}
-		
+
+		b.len = 0;
+		STR_APPEND(b,body_s);
+		STR_APPEND(b,r->service_info);	        
+		STR_APPEND(b,body_e);	        
+	}
+	else if(expires > 0) {
+                STR_APPEND(h,content_type_message_sip);
+		b.len = msg->len;
+		b.s = pkg_malloc(b.len);
+		if (!b.s){
+			LOG(L_ERR,"ERR:"M_NAME":r_send_third_party_reg: Error allocating %d bytes\n",b.len);
+			b.len = 0;
+			return 0;
+		}
+		memcpy(b.s, msg->buf, msg->len);
+	}
+
 #ifdef SER_MOD_INTERFACE
 		set_uac_req(&req,
 				&method,
Index: ser_ims/modules/isc/third_party_reg.h
===================================================================
--- ser_ims/modules/isc/third_party_reg.h	(revision 11549)
+++ ser_ims/modules/isc/third_party_reg.h	(revision 13364)
@@ -80,7 +80,7 @@
 
 r_third_party_registration* new_r_third_party_reg(str req_uri, str to, str from, str pvni, str cv);
 
-int r_send_third_party_reg(r_third_party_registration *r,int duration);
+int r_send_third_party_reg(r_third_party_registration *r,int duration, struct sip_msg *msg);
 
 void r_third_party_reg_response(struct cell *t,int type,struct tmcb_params *ps);