Connect your Grandstream ATA to a hosted 3CX PBX.
Set up your Grandstream ATA with Voxtelesys! Connect to a fax machine or any analog line! Please note ATA devices are not a replacement for an alarm, security, fire, or elevator line.
An ATA is a device/hardware that takes an old analog signal and converts it to digital. It is most commonly used to connect fax machines to SIP/VoIP.