IPMA Technologies Hong Kong
- Internet VoIP and Video Conferencing Service Provider
- Voice and Video Conferencing
- Cisco Systems
- Telco Solutions Billing System
Call-Back is
when the initiator of a call immediately calls back for the second time as a
response.
Megaline Broadband Telecommunications
MEGALINE is a carrier-grade VoIP service provider specializing in three areas: Business-Class VoIP, Residential VoIP and Call Shop Turnkey Solutions. With our unique "Multi-Carrier"TM
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