Mangbai languageMangbai is an Mbum language of northern Cameroon and southern Chad.DistributionIn Cameroon, Mambay is spoken along the Mayo-Kebi River near the Chadian border, in the Djaloumé region, where there is a massif called Hosséré Mambay. It is also spoken in the extreme southeast of Figuil commune, Mayo-Louti department. In Cameroon and Chad, there is a total of about 2,500 speakers, many of whom also speak Mundang.PhonologyVowelsare heard as when in closed syllables.