26/02/2015
An ATA (Analog telephone adapter) device is used to connect the devices like phones, fax machines, etc. to a network (or a digital telephone system). This device at times also enables features like caller ID, transferring the calls, call forwarding, etc. https://netvoipcom.wordpress.com/2015/02/26/importance-of-ata-device-for-sip-dialer/