Voice Exchange Service

The World's First Carrier Ethernet Voice Exchange

Tandem switches play a critical role in the efficient operation of the PSTN; with a single tandem connection, a competitive carrier -- wireline or wireless/local or long distance -- can exchange traffic with every other connected competitive carrier. But tandems are also inefficient, because they charge per minute use; as carriers sell more flat rate services, usage is stimulated, thus triggering increased tandem charges and squeezing margins.

Direct connects between switches, which eliminate tandem usage charges, are efficient when traffic is sufficient; but direct connections can also be inefficient when they use legacy facilities (TDM) and take a lot of management.

Now, both tandem and direct connections can be made more efficient by using CENX's Carrier Ethernet Voice Exchange service. Competitive carriers get the one-to-many efficiency of a tandem combined with the efficiency of a direct connect -- no usage based charges -- all over an easy to scale and manage Carrier Ethernet exchange. Best of all, because Ethernet delivers the lowest cost per bit, competitive carriers save over 50% on tandem and direct connect costs.