| US | 
      Xyplex, Inc. | 
      2 | 
    
    
      | JP | 
      SAXA, Inc. | 
      2 | 
    
    
      | US | 
      LARSCOM INCORPORATED | 
      2 | 
    
    
      | US | 
      M/A-COM INC. COMPANIES | 
      2 | 
    
    
      | US | 
      NIXDORF COMPUTER CORP. | 
      2 | 
    
    
      | GB | 
      LOGIC REPLACEMENT TECH. LTD. | 
      2 | 
    
    
      | GB | 
      HME Clear-Com LTD. | 
      2 | 
    
    
      | DE | 
      Nokia Siemens Networks GmbH & Co. KG. | 
      2 | 
    
    
      | US | 
      ADC CODENOLL TECHNOLOGY CORP. | 
      2 | 
    
    
      | US | 
      Network General Corporation | 
      2 | 
    
    
      | US | 
      NETWORK RESEARCH CORPORATION | 
      2 | 
    
    
      | CA | 
      MITEL CORPORATION | 
      2 | 
    
    
      | US | 
      The Chamberlain Group, Inc | 
      2 | 
    
    
      | US | 
      Procter & Gamble Company | 
      2 | 
    
    
      | CN | 
      Zhen Shi Information Technology (Shanghai) Co., Ltd. | 
      2 | 
    
    
      | CN | 
      Wu Qi Technologies,Inc. | 
      2 | 
    
    
      | CN | 
      Hangzhou Ezviz Software Co.,Ltd. | 
      2 | 
    
    
      | CN | 
      Hongkong Nano IC Technologies Co., Ltd | 
      2 | 
    
    
      | CN | 
      Raisecom Technology CO.,LTD | 
      2 | 
    
    
      | US | 
      Danlaw Inc | 
      2 |