Global Telecom United States
- Hosted VoIP billing service provider
- International VoIP Wholesale Provider
- Outsourced Billing
- Quintum
- another
A very useful function for seeking the subscriber, it allows calling to several extensions and external telephone numbers – to any place of the world. This function allows users to be available on several devices, such as cell phone, home phone, office telephone or soft phone. In other words, when someone calls you, this call will reach all your communication means.
Usatel
Soluciones de voz sobre IP para clientes empresariales y residenciales, DID de Guatemala y de las principales ciudades del mundo
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