Grandstream has introduced us with a new device model. This new handset, according to characteristics, can rival Gigaset and Panasonic. The main advantage of this device is 4 simultaneous calls to one base, allowing a registration of up to 5 handsets.
Aianna and AiannaOne is a Global provider of telephony services, that was established at the vision of one man who was tired of the lack of service and quality that carriers were giving to their clients in the telecommunications industry.