Brazilian mobile operator Brasil Telecom Participacoes has selected Ericsson as its primary supplier for W-CDMA/HSPA radio access network in five Brazilian states and the sole supplier of the cellco’s 2G/3G common core network, the Swedish company said today in a statement. Ericsson also signed a contract for the deployment and systems integration of BrT’s IP Multimedia Subsystem (IMS). No financial details of either contract were disclosed.