These locations were in all of China's major provinces, cities and counties. ABC's goal was to consolidate multiple regional call centers to one centralized call center through a Voice over IP (VoIP) network.

Of foremost concern to ABC among its many requirements to implementing VoIP was that it had to have minimum impact on the existing IP network and voice system performance. The bank did not want to have to upgrade the existing IP network, reprogram its PBX or purchase any PBX upgrades or interface cards.

Most importantly, it wanted assurances that there would be no degradation to voice quality compared to wire line calls.

The bank required that its voice network be compatible with international standards (i.e., H.323), and also needed to be scalable for nationwide deployment and growth, and interoperable with other vendors. ABC wanted to minimize the impact on its end-users so they did not have to change their dial plans or habits. Overall, ABC required high reliability, even under extreme and unusual circumstances.

Public Information Technology Co. (PiTech), a large Chinese distributor, recommended Quintum's Tenor VoIP multiPath switches. The switches had the technologies that ABC required, the diverse applications that ABC's environment necessitated and the customer support that put ABC at ease.

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