Similar to VoIP

• 

  ソフトフォン

  Softphone
  
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  Discord

  Discord
  ▼-1 trends

  
• 

  Viber

  Viber
  
• 

  Fring

  
• 

  LINE (アプリケーション)

  Line (software)
  
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  LINE MUSIC

  Line Music
  
• 

  LINKCAST