Who called from 2699105993

Got a call from this number. Phone rang a couple of times and stopped. No message.

Got a call from this number but I wasn't able to pick up. Caller ID on my iphone says call is from Comoros, which is an island country is South Africa. No message left

Got a call from this number but I didn't pick up. Caller ID says call is from Comoros who I don't know.  No message left

I received a call from this number yesterday. Country code is Comoros but I thought they use 9 or 10 digits after the country code. Does anyone knows what is happening?