D2 Technologies (www.d2tech.com) and Beceem (www.beceem.com) have announced a 4G reference design for Android mobile devices that deliver multi-radio VoIP call handover to existing 4G-3G multimode and WiFi solutions.
Beceem’s BCSM250 WiMAX modem provides the 4G wireless capabilities, including 4G-3G multimode and session handover, as well as WiMAX-WiFi “coexistence.” Add D2’s mCUE IP communications stack for VoIP/SIP [...]


