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                    Using Gigaset HX handsets with a FRITZ!Box
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                    Set up VoIP Provider using VoIP assistant
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                    Can I use different VoIP providers?
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                    How many parallel calls are possible on Voip devices?
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                    Fritzbox - IP Phone can't start international calls
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                    DL500A / DX600A / DX800A - Registering a Repeater
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                    My Desk800A only rings twice
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                    Net-AM / net answering machine / voicemailbox