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 ...

In the event of a natural disaster, readiness drill, or terrorist attack, network infrastructure such as the email server may be lost, and communications via normal email systems will be unavailable. And, voice circuits may be jammed, leaving cell phones useless. However, it is just...