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.
VNPT International (VNPT-I)
VNPT-I offers voice service with premium quality and low rate to help you to compete in challenging VoIP market. Redundancy in our state-of-the-art network ensures routes for international traffic are always stable. ITC2’s VoIP technology enables simple
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