
Configuring Fanvil i20 and i21/i21T SIP Doorphones in 3CX
Configuring Fanvil i20 and i21/i21T SIP Doorphones in 3CX The first step to configuring Fanvil i20 and i21/i21T devices is to access your DHCP server and create a reservation for the Fanvil Doorphone. You need to do this … Continue reading