Index: XmlRpc/Client.php
===================================================================
--- XmlRpc/Client.php	(revision 12984)
+++ XmlRpc/Client.php	(working copy)
@@ -119,6 +119,12 @@
     protected $_lastResponse = null;
 
     /**
+     * The user-agent sent with the request
+     * @var string
+     */
+    protected $_userAgent = 'Zend_XmlRpc_Client';
+
+    /**
      * Proxy object for more convenient method calls
      * @var array of Zend_XmlRpc_Client_ServerProxy
      */
@@ -235,6 +241,28 @@
     }
 
     /**
+     * Set the user-agent to be used for the request
+     *
+     * @param string $userAgent
+     * @return Zend_XmlRpc_Client
+     */
+    public function setUserAgent($userAgent)
+    {
+        $this->_userAgent = (string) $userAgent;
+        return $this;
+    }
+
+    /**
+     * The currently set user agent string
+     *
+     * @return string
+     */
+    public function getUserAgent()
+    {
+        return $this->_userAgent;
+    }
+
+    /**
      * Set skip system lookup flag
      * 
      * @param  bool $flag 
@@ -278,7 +306,7 @@
 
         $http->setHeaders(array(
             'Content-Type: text/xml; charset=utf-8',
-            'User-Agent: Zend_XmlRpc_Client',
+            'User-Agent: ' . $this->getUserAgent(),
             'Accept: text/xml',
         ));