IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
Deal4VoIP
Deal4Voip is the well established player in VoIP telephony that has been in business for Wholesale VOIP for the past 15 years. We specialize in providing Direct Routes for CLI and NON CLI all A2Z Destinations, globally interconnected with top VoIP carriers of the Industry having excellent track record of Customer Satisfaction. We Deliver Services & Products to make high quality, low cost communications around the world.
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