Dinkor:gateway_src_port added support to differentiate resources based on source port and ip

kamailio/default.cfg

@@ -556,6 +556,7 @@ route[EXTERNAL_TO_INTERNAL_RELAY]
 
     remove_hf_re("^X-.*");
     append_hf("X-AUTH-IP: $si\r\n");
+    append_hf("X-AUTH-PORT: $sp\r\n");
 
     t_on_reply("INTERNAL_REPLY");
     t_on_failure("INTERNAL_FAULT");