Dyad Group, s.r.o. Czech Republic
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Voip consulting
- Consultancy Services
- Installation and Support Services
- IP devices
- SIP VoIP Gateway
- System Integration
- Cisco Systems
- Vegastream
- IP Phone
This is a computer system, which allows exchanging personal voice messages, delivering of voice information as well as for the processing of transactions linked with private persons, organizations, goods and services, with the help of the ordinary telephone.
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