NAT CG Ltd United States
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Voip Termination ISP
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- PC to Phone
- Phone To PC
- Phone To Phone
- System Integration
- Termination
- Audiocodes
- Cisco Systems
- Quintum
- another
In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
Sprinttelco LLC
SPRINTtelco is leading the Voice over Internet Protocol (VoIP) revolution currently sweeping through the telecommunications industry. Virtually every major service provider is discovering the benefits of VoIP, and we are helping them leverage the technolo
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