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(#38)
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Senior Member
Prepaid Professionist
Posts: 1,399
Join Date: 15 Nov 2006
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21-10-2010, 19:34
I've just tested the USSD-menu (*104#) with my Tchibo SIM and I could access it flawlessly. Anyway suppose your problems are either caused by some component on the O2 network, as the error message comes from Tchibo or the USSD-menu is inaccessible from roaming networks.
According to this German wiki Tchibo SIMs used to remain active for 365 days after the last recharge, but since May 2010 they are active infinitely. postpaid: O2 on Business XL; prepaid: DE: Aldi Talk, Lidl; UK: 3; BG: MTel, vivacom; RU: MTS; RS: MTS; UAE: du Tourist SIM; INT'L: toggle mobile VoIP: sipgate.de (German DID); sipgate.co.uk (British DID); ukddi.com (British DID); sipcall.ch (Swiss DID); megafon.bg (Bulgarian DID); InterVoip.com |
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