Analog Terminal Adapters (ATA)
Legacy Device to VoIP Connectivity
ATA for 2 analog devices
Analog Terminal Adapters (ATA) are required in order to connect legacy telephone devices like analog telephones or facsimile (FAX) machines to a digital VoIP telephone system. Two analog devices are supported on the Grandstream HT802. Other models are available to support 4 or 8 analog devices.