--- soap_server.module.original	2008-02-19 19:58:12.000000000 +0300
+++ soap_server.module	2008-05-24 01:03:58.000000000 +0400
@@ -133,6 +133,10 @@
   
   // Create server instance
   $soap_server = new soap_server();
+
+  // set encoding to UTF-8
+  $soap_server->soap_defencoding = 'UTF-8';
+  $soap_server->decode_utf8 = false;
   
   // Initialize WSDL support
   $soap_server->configureWSDL('DrupalSoap', $name_space, $name_space);