Who/what number did you call? Sheldon's cell changed a while back, and the old number was still accepting voicemails.
Match registration happens in batches. It has been a couple months, but the match registrar is recovering from a c-section so things have slowed some.
I am using the contact info below from the website. I have sent an email, and left two voicemails. If you have better contact info let me know, either here or by PM.
Correct