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.
Onlinetel Corp
Onlinetel Corp. is a next generation telecommunications software and services company, which harnesses the power of soft-switch technology to deliver state of the art Voice over Internet Protocol (VoIP) communication services to individuals, businesses an
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