DNS is probably a typo of ANS (American Network Solutions). OEM is "Original Equipment Manufacturer", and "OEMed" means "we make the phone but put your brand on

DNS is probably a typo of ANS (American Network Solutions). OEM is "Original Equipment Manufacturer", and "OEMed" means "we make the phone but put your brand on the phone so you appear to be the OEM". So they seem to be saying UNIMAX may be the actual manufacturer of ANS phones.