Here you go bro!
Obtaining a Sudanese visa in Addis: (I moved this post here from sub-Saharan Africa. I was issued a transit visa valid for 14 days from the date of issue- PLUS 14 days to transit Sudan. They issued my visa in less than 24 hours).
Obtaining a visa for Sudan has become more difficult over the past few months. I just obtained mine today. I met a couple from Switzerland that were refused visas for Sudan, and just heard about a couple from Austria that were turned away this month. Both couples are heading to Djibouti to try and find a ferry to Port Said. Don't bother trying for a Sudanese visa in Nairobi, they don't issue them there. Cairo is said to be the easiest place to obtain a visa. I made a total of 6 trips to the embassy of Sudan here in Addis, I met a Korean fellow who needed 7 visits. Don't bother going to the embassy without the following:
1) A letter of introduction from your country's embassy. It must include your name and date of birth and CANNOT be a standard form letter without your name- ask how I know that!
2) A photocopy of your passport (page with your picture).
3) A photocopy of your passport (page showing your visa for Egypt).
4) 2 passport photos.
5) Plenty of patience.
You cannot obtain an appliction until your letter of intro has been examined and signed by an official (in 1 of 2 offices on the left side of the embassy). Expect to wait from 1-2 hours at each step, there are 3 or 4 steps. After obtaining an application, fill it out. It reads right to left, like Arabic. Filling the form out from left to right will have you putting the wrong info in the boxes. Now it's time to put the docs together:
Page 1) Application.
Page 2) Letter of intoduction.
Page 3) Photocopy of passport (with your picture).
Page 4) Photocopy of passport (with Egypt visa).
Now put 1 of the passport photos on the top left corner of the documents. Put the other photo on the back of the docs, opposite the first pic, and staple the photos/docs together (when you turn the docs over you should be able to see your picture). There is a stapler available near the visa section. If you need a photocopy made, exit the embassy, cross the street and turn left, there is a shop some 100 meters up the road. The cost of the visa ranges from $50-150usd, depending on your nationality. If you follow these instructions, you'll save weeks of running around Addis- and should have your visa within 24 hours. I met a couple who were told they didn't need an Egyptian visa to obtain their transit visa (valid for 7 days). The Korean fellow I met was told he had to have one- as was I. I would suggest you obtain one- you'll have to anyway. After giving your docs to the visa section, you can (hopefully) collect your passport/visa the next day after 1500- unless it is Saturday! The embassy is open Monday/Wednesday/Friday, 0800-1230. Though when I went there last friday morning I was told the staff were at a Mosque and wouldn't be working that day. Also, on Mondays there are often 100's of workers trying to obtain visas. Wednesday is your best bet. Good luck! Hook.