IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
Allows users tracking the condition of the other telephone or the subscriber, for example, there will appear a signal on the screen of the telephone device informing that the subscriber is on the line and is temporarily unavailable.
Dialmonster
Dialmonster.com is a leading long distance international DID (Direct Inward Dialing) and prepaid phone cards distributing company. The company was established in 2002 with the goal of developing secure and efficient business models that would allow custom
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