In Zambia, mobile connectivity is growing rapidly, and businesses need secure ways to authenticate customers. Voice OTP (Zambia) is an advanced solution where one-time passwords are delivered via automated phone calls instead of SMS. This ensures higher reliability, accessibility, and security — even in areas with weak SMS coverage. Africala’s voice OTP service is designed for banks,... https://africala.net/blog/what-is-voice-otp-and-how-does-it-work/