"The 19 total customers are comprised of 14 operators across Asia Pacific, Europe, and the Americas, including multiple national properties in one of the operators, and five hub providers:
- All 19 customers will use the DSR to route Diameter messages in the network core. One U.S. tier one made two separate core network routing purchases: one for its LTE network and one for its IMS network. In addition, 11 DSR customers have selected the product to act as a secure interconnection point for roaming between partner networks, and four will also use it to intelligently scale policy deployments to enable usage-based services.
- Two U.S. tier one customers selected the DSR to provide the subscriber locator function (SLF) in the LTE architecture that maps between a subscriber identity and a Home Subscriber Server (HSS), a database of subscriber profile information. One of these operators also purchased a DSR system to provide the SLF in an IMS network. Another customer will scale its 3G and LTE charging systems with the DSR.
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