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  SIP Phone DLL
  SIP Phone DLL Total Website VOIP Solution for PC-PC and PC to Phone.
  
  File size: 3054 KB/ Shareware Price :399 Author: Research Lab Inc
  Tag : SIP , H323 , VOIP
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  VOIP H323 Phone SDK
  VOIP H323 DLL Soft Phone SDK brings H.323 protocol support for ActiveX.
  
  File size: 5373 KB/ Shareware Price :399 Author: Research Lab Inc
  Tag : SIP , H323 , VOIP