IPMA Technologies Hong Kong
- Internet VoIP and Video Conferencing Service Provider
- Voice and Video Conferencing
- Cisco Systems
- Telco Solutions Billing System
The service offered by telephone companies allowing creating the telephone numbers on the same line where the existing number is. The call tone for every number will be different from another. There is also an opportunity to program a custom ring tone for the incoming call.
Deltavox Communications limited
Headquartered in Cyprus, deltavOx is a global retail and wholesale VoIP Service Provider with its active presence across the globe.
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