OPTIROAM LTD. Hong Kong
Next Generation Mobile Operator
Hosted MVNO service, Roaming SIM cards, Hosted IP PBX service
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- Cloud-based Unified Communications Service Provider
- did numbers provider
- Hosted PBX Service Provider
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- Mobile VoIP
- Roaming Free International SIM
- Call Relay VoIP Solutions
- Hosted PBX
- Hosted VoIP
- PC to Phone, Phone To PC, Phone To Phone, Project Mangement Services, Termination, Web Call, Web To Phone
- Sip Trunking
- Virtual PBX
Not data
- Billing system of own development