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Continue to Chatsipgate: iPhone-App unterstützt endlich Multitasking https://www.radioblog.eu/2011/08/11/sipgate-iphone-app-unterstutzt-endlich-multitasking/
sipgate: iPhone-App unterstützt endlich Multitasking https://www.radioblog.eu/2011/08/11/sipgate-iphone-app-unterstutzt-endlich-multitasking/