d2tech.com
D2 is the recognized leader in VoIP, VoLTE, VoWiFi, RCS and converged IP IMS...
D2 is an app and embedded software solution provider to VoIP, VoLTE, WiFi
calling, VoWiFi, IP Communications, RCS, UC, OTT, WiMAX, LTE, Broadband
ATA, gateway & router for...
