H.323 Softswitch
It is the main device that captures and controls all the signals created by the entire system. It also supports multimedia: real-time audio, video and data information.
Because Google Voice provides such a competitive and feature-rich service that not only includes free VoIP and SIP calls across North America and internationally at fantastic rates, in addition to a huge range of services such as voicemail, conference calls and voice transcription, it was inevitable that since its inception it would attract the ire of other competitors who would block it, or sue in courts to have the government legislate against it.
Mainberg Limited
Mainberg is a wholesale carrier of International Long Distance Voice that provides A-Z termination service
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