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(#1)
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Senior Member
Prepaid Fan
Posts: 137
Join Date: 20 Sep 2013
Country:
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12-02-2015, 08:36
What is the reason to still operate a GSM gateway? There are many VoIP providers that offer calls to most mobile networks at somewhere between 2 and 5 ct/min with best quality and any number of simultaneous calls (Voicetrading...).
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