GismoTel Denmark
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Voip Termination ISP
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- H.323 VoIP Gateway
- IP devices
- PC to Phone
- Phone To Phone
- SIP VoIP Gateway
- Termination
- Cisco Systems
- Lucent
- Quintum
- Billing system of own development
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.
nexVortex, Inc.
nexVortex is an Internet Telephony Service Provider. We specialize in delivering high quality Voice over IP communication services to small and medium sized businesses using SIP Trunking.
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