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McKinney, TX (Mar 21, 2016) – Network Testing Solutions: RANAP/IuPS Interface Developing Solutions today announced the addition of the RANAP/IuPS stack to dsTest.  IuPS provides the interface between the UMTS RNC (Radio Network Controller) and the SGSN (Serving GPRS Support Node), supporting UMTS integrated services such as multimedia and global roaming to mobile users.  The
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