ETSI TS 148 031-2016
Digitales Mobilfunk-Telekommunikationssystem (Phase 2+); Ortungsdienste (LCS); Serving Mobile Location Center – Serving Mobile Location Center (SMLC – SMLC); SMLCPP-Spezifikation (V13.0.0; 3GPP TS 48.031 Version 13.0.0 Release 13)