Over ten days ending Monday, Metro reported 13 problems with its train signaling system, each one of them causing delays for riders. Between Saturday, June 14 – the day of the U.S. Army’s 250th ...

The train derailment in eastern India that killed more than 300 people and injured hundreds more was caused by an error in the electronic signaling system that led a ...

This week, we’ll take at look at the signaling system used by the PSTN as we begin to highlight some of the security concerns about networks moving toward a converged infrastructure. Today, we’ll ...

Deep inside a subway station in Brooklyn, in a cramped, industrial room, Dyanesha Pryor pushes in a metal lever on a hulking machine that was installed nearly a century ago. A few hundred feet away, a ...

WEST LAFAYETTE, Ind. — In the march of metastasis, a molecular trail of crumbs guides some cancer cells from the primary tumor to establish new colonies within the body. Blocking the cells’ ability to ...

Increasingly, cellular carriers and service providers are using IP networks to transport and route Signaling System 7 (SS7) traffic. The SS7 protocol boasts a mechanism for offloading the traditional ...

Mindspeed Technologies, Inc. has announced the industry's first high-density processing solution that enables networking equipment to terminate both data and signaling system 7 (SS7) traffic using the ...

Verizon said it resolved a two-day problem in its Signaling System 7 network that affected calls coming to and from competitive local exchange carrier networks this week. Outages dropped calls between ...