Summa Networks is a company specialised in the development of Telecommunications Software. Our main product is a complete SDM (Subscribers Data Management), including HLR/HSS/UDR/UDM covering all access technologies from 2G to 5G NSA and 5G SA. Besides it includes additional elements like EIR, DNS/ENUM, AAA for VoLTE/VoWIFi, extra security integrating with an HSM and implementing Lawful Interception and a PCRF/PCF. Our SDM can de deployed in a Multi-vendor Cloud, in the public Cloud, virtualized environments and physical servers. Summa Networks SDM applies to MNOs, MVNOs, IoT, Private Networks, etc