Naija Customer-Call Code-Switch Corpus

Hand-written customer-service sentences with natural code-switching between Nigerian English and three indigenous Nigerian languages — Hausa, Yoruba, and Igbo. Covers 30+ business sectors typical of real customer-service calls in Nigeria. Released by Orinode under CC-BY 4.0 to support research on multilingual ASR, NLU, and conversational AI for low-resource African languages. Why this dataset exists