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
“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.
ESQUBE Communication Solutions (P) limited
Founders of ESQUBE are faculty at the Indian Institute of Science, Bangalore and carry over eight decades of experience and fundamental knowledge in the field of DSP and Telecommunication. ESQUBE plays a dominant role in the creation of IP and accompanyin
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