The PBX systems supported by Zoho PhoneBridge are:

• Avaya
• Elastix
  
• Asterix 
  
• RingCentral
  
• Knowlarity
  
• Twilio
  
• Ringio
  
• Jive
  
• Sipgate
  
• HubThunder
  
• DuoCom
  
• NikonTel
  
• GoIntegrator
  
• Inopla
  
• Ameyo Engage
  
• Office@Hand
  
• Active PBX
  
• Aircall
  
• Kixie
  
• Vonage
  
• SynPBX
  
• Monema
  
• Spotfone
  
• Workphone

Note: You must download a separate Adapter for every PBX system.