OfficeSIP Communications

• OfficeSIP Server
  screenshot | size: 533 KB | price: $0 | date: 12/14/2007
  Free voice calling and instant messaging
• OfficeSIP Messenger
  screenshot | size: 4.05 MB | price: $0 | date: 4/13/2009
  Free enterprise communicator supporting instant messaging, chats, VoIP and video
• OfficeSIP Softphone
  screenshot | size: 4.66 MB | price: $0 | date: 2/22/2010
  Freeware SIP video softphone for Windows for VoIP providers and SIP PBX.
• OfficeSIP Alerter
  screenshot | size: 661 KB | price: $0 | date: 2/12/2008
  The simple, easy-to-use and free instant sip messenger.