https://www.youtube.com/watch?v=OJ49pwj0A6I

Calling someone for the first time after getting their number can be nerve-wracking, but it's important to approach the situation with respect and a friendly demeanor. Here are some steps and tips to consider when calling a Nigerian girl for the first time:
Consider the time of day when you're calling. Avoid calling too early in the morning or too late at night. Aim for a time when she's likely to be available and not busy.When she answers the call, introduce yourself right away. Remind her where you met or how you got her number, so she knows who you are. Use polite language and a friendly tone. Show respect for her and her time. Greet her warmly and ask how she's doing.