OPTIROAM LTD. Hong Kong
Next Generation Mobile Operator
Hosted MVNO service, Roaming SIM cards, Hosted IP PBX service
OPTIROAM LTD.
Rm. 22B, 22/F, Kiu Yin Commercial Building, 361-363 Lockhart Rd.
Wanchai
,999077
Hong Kong
Phone: +852 580 82 735
Site: http://www.optiroam.com
Contact Person
Eric Lee / COO
Phone: +852 580 82 735
Rm. 22B, 22/F, Kiu Yin Commercial Building, 361-363 Lockhart Rd.
Wanchai
,999077
Hong Kong
Phone: +852 580 82 735
Site: http://www.optiroam.com
Contact Person
Eric Lee / COO
Phone: +852 580 82 735
- 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
A modern voice communication SIP protocol is widely used to make calls in the Internet. However, the final subscriber is mostly interested not in the very SIP standard but in the SIP telephony conception based on it.
One one hand, all traditional conveniences for making telephone calls, compatibility with the international subscription base and the procedure of dialing numbers are kept.
AT&T Wholesale International Voice
AT&T Inc. is a premier communications holding company in the United States and worldwide. Operating globally under the AT&T brand, AT&T is recognized as the leading worldwide provider of IP-based communications services to businesses and the leading U.S.
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