I-WLD-182 Communication Management Gateway (eyaziwa nangokuthi i-DPU, i-gateway, noma umshini wokuphatha ukuxhumana) iyisikhungo esibalulekile sezokuxhumana ezimbonini nasezinhlelweni zamandla, esisetshenziswa ikakhulukazi ukufeza imisebenzi efana nokuguqulwa kwezivumelwano eziningi, ukuqoqwa kwedatha, ukulawula okukude, nokuxhumana okuphephile.