Hello,
Quote:
Originally Posted by ls129
Again, can someone explain how free roaming works?
GSM operators are obliged to pay per-minute termination fees when their
customers receive calls while connected to foreign networks.
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Yes.
Quote:
how come IOM and Lichtenstein GSM operators are exempt from termination
fees ?
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Liechtenstein Prefix +423 663 is a "premium" number prefix, this means, Caller have to pay a higher fee, to reach those numbers. Liechtenstein Telco gave a higher amount to United-Mobile and therefore they could pay the interconnect till China for example. But there must have been a new Interconnect-Tariff regime, UM decided to upset their pricing and to charge one time even per incoming call.
IoM (Isle of Man) and Jersey Calls are billed as "landline" but they are ending in mobile system. These Islands have unbalanced calls. Less Calls are going TO the island, most calls are going from the islands. So an international mobile phone company attracts lots of incoming callers and minutes.
But those models are very hard calculated and if the ugly customers do not make enough outgoing calls and pay for this (and do NOT use free incoming to set up a external Callback like "Enlinea" or others) then the model gets instable.