Dramatic shifts in electronics technology over the past five years have affected the design of industrial safety systems for oil/gas applications, as well as applications in other process industries. Multi-drop serial communications networks are slowly replacing the long standard 4-...

Recently it has become increasingly clear that VoIP services will be expected to provide Lawful Intercept and Emergency Call Handling services to the same level experienced in the PSTN. The FCC in North America for example has mandated that both emergency calls and Lawful Intercept ...