Which devices are supported?
Working principles > Added by admin
Everyone that support SIP (Voip) protocol.
If you want to use smartphone or tablet (android, iOS, Windows Phone) you can download Zoiper.
If you want use your landline phone hardware, you can buy an ATA adapter (Cisco SPA or Fritzbox).
Otherwise you can buy an IP phone to plug directly in you ADSL modem.
If you have a switchboard (PBX) you can use it on Vohippo.