Henry E. Amhenrior, Braimoh A. Ikharo 2022. GSM Value Added Services (VAS) Provision from Intelligent Network (IN) Platform Through GSM-IN Integration. NIPES - Journal of Science and Technology Research. 4, 3 (Sep. 2022). DOI:https://doi.org/10.37933/nipes/4.3.2022.8.