This has been answered in the ticket submitted by yourself.
As per ICASA, we require a proof of ownership in order to prove the number is owned by yourself.
I recently ported my Neotel prepaid number, but it is not working. Please advise
Please log a ticket with firstname.lastname@example.org with the below information and we will escalate this issue for you
Source number: ( number you are calling from)
Destination number: (Your ported number)
Date and time: ( No older than 4 hours)