Alternatif untuk Acrobits Softphone untuk Software as a Service (SaaS) dengan lesen sumber terbuka

• Software as a Service (SaaS)
  Semua platform Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Web Software as a Service (SaaS) Firefox Windows Mobile Xfce PortableApps.com Chrome WebRTC Microsoft Office Suite Microsoft Exchange Server
• Lesen Open Source
  Mana-mana lesen Lesen percuma Lesen Open Source Lesen komersil