Call Shop Solution
A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.
Grandstream GXP2200 is the first desktop IP Phone from Grandstream running on Android operating system.
Voipmexico
Sistemas de comunicación de voz sobre IP que proporcionan grandes ahorros y aumentan la productividad y la eficiencia
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