conference

• Skype
  Skype for Linux enables you to make Skype voice calls using your Linux desktop or laptop with an Internet connection. ...
  
• Gnomemeeting
  GnomeMeeting is an H.323 compatible videoconferencing and VOIP/IP-Telephony application that allows you to make audio and video calls to remote users with H.323 hardware or software (such as Microsof...
  
• Konference
  Konference is a Video-Conferencing app for kde3. ...
  
• vat
  The audio conferencing tool. ...
  
• vic
  Video Conferencing Tool. ...
  
• Intercom
  Intercom is a flexible voice communication utility for Unix systems. It supports the standard audio compression codecs such as GSM, G.711, and G.72x as well as audio encryption. ...
  
• erikyyyphone
  erikyyyphone is an Internet audio conferencing application. ...
  
• AudioConf
  AudioConf facilitates audio conferencing in a Linux environment. ...
  
• Cornfed SIP User Agent
  The Cornfed SIP User Agent is a Session Initiation Protocol (SIP)-based Softphone for your x86 Linux systems. It allows you to make Internet phone calls using an Advanced Linux Sound Architecture (AL...
  

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