Long distance telephone charges continue to be a major expense item for business and individuals despite deregulation of the PSTN. A successful strategy for reducing long distance telephone costs is to utilize the existing capacity on private and public data networks for voice traffic.

Proactive VoIP solution offerings ride on an open, standards-based platform that integrates programmable switches, voice processing, databases and service logic control, Web interface and VoIP protocol processing into a highly scalable and reliable network solution for both existing and emerging communication service providers.

Depending on Proactive's mighty research ability and rich project experience, our VoIP carrier network solutions have been applied to many carriers in the Asia Pacific regions. In 2001, a VoIP Telephony System via Satellite Network solution, constructed by Proactive with cooperation of VoIP equipments provider, has been deployed in one of the major telecom operator in the Asia.

Proactive VoIP Carrier Network Solution Diagram

Proactive VoIP Carrier Network Features Highlight:
= Protocols and signaling are supported over T1, E1 and J1 physical interfaces.
= Application supports Q.931, SS7-ITU, SS7-ANSI, and many variants including China TUP and ISUP, as well as CAS signaling including DTMF, R1, R2 and variants.
= Application supports H.323, SIP and MGCP, facilitating traffic flow over IP networks.
= VoIP Vendor Interoperability: Lucent, Nortel, Cisco, Nuera, Clarent, VocalTec, Arelnet, NX Networks, Quintum, Mockingbird Networks, etc.
= Multiple service applications on a single platform

Based on the VoIP Carrier Network, Proactive offers a series of service applications:
= Centralized and Distributed Calling Card applications
= International Call Forwarding
= Global Roaming applications
= IP Clearinghouse
= And more...