You will find here up-to-date vendor information including vendor address, url for driver download and network configuration information as well as all all belonging mac adresses.
Vendor name: Digivoice Tecnologia em Eletronica Ltda
Alameda Juru, 159 - Torreo
Barueri São Paulo 06455-010
Website for driver download: http://www.digivoice.com.br/
Showing all 1 registered mac address network prefixes: EC:BB:AE
All MACs beginning with owned by the vendor Digivoice Tecnologia Em Eletronica Ltda in Alameda Juru, 159 - Torreo Barueri São Paulo 06455-010 Brazil. One will find support for your device on the vendor webpage here. This registered set of mac addresses can identify max. 16.777.216 devices.