Skype has promised [1] to release a version of Skype for iPhones that supports 3G calling “soon,” because the latest version of Apple's SDK removes restrictions on calling over 3G.
Links:
[1] http://share.skype.com/sites/en/2010/02/an_update_on_skype_for_iphone.html
[2] http://www.totaltele.com/view.aspx?ID=452733
[3] http://www.telecomseurope.net/content/news-brief-zain-samsung-amazon-o2-alcatel-lucent
[4] http://www.alcatel-lucent.com/wps/portal/newsreleases/detail?LMSG_CABINET=Docs_and_Resource_Ctr&LMSG_CONTENT_FILE=News_Releases_2010/News_Article_001934.xml&lu_lang_code=en
[5] http://online.wsj.com/article/SB10001424052748704041504575045481718897198.html?mod=WSJ_Tech_LEFTTopNews
[6] http://www.telecomseurope.net/content/amazon-concedes-defeat-e-book-spat
[7] http://www.telecomseurope.net/telecomseurope.net
[8] http://www.digg.com/submit?url=&title=News In Brief: Skype, O2, Zain, DB Systel, Alca-Lu&bodytext=Skype promises 3G-capable iPhone app; O2 doubles iPhone sales, DB Systel acquires GSM-R system from Huawei
[9] http://www.telecomseurope.net/content/news-brief-skype-o2-zain-db-systel-alca-lu#comment
[10] http://www.telecomseurope.net/print/9101
[11] http://www.telecomseurope.net/tag/alcatel-lucent
[12] http://www.telecomseurope.net/tag/amazon
[13] http://www.telecomseurope.net/tag/apple
[14] http://www.telecomseurope.net/tag/france telecom
[15] http://www.telecomseurope.net/tag/huwei
[16] http://www.telecomseurope.net/tag/iphone
[17] http://www.telecomseurope.net/tag/lagadere sca
[18] http://www.telecomseurope.net/tag/macmillan
[19] http://www.telecomseurope.net/tag/o2
[20] http://www.telecomseurope.net/tag/skype
[21] http://www.telecomseurope.net/tag/zain