But the blackout imposed after last week's military takeover is not stopping Sudanese citizens from talking to each other and the outside world, using international SIM cards, relatives and the wider diaspora to relay critical information. NAIROBI, Nov 4 (Thomson Reuters Foundation) - Phones are dodgy, mobiles are dead and the internet is frozen. (Corrects spelling of names in paras 29, 31 and 32) By Nita Bhalla