This time we’d like to make some comparisons between the security of the PSTN and the security of data networks. Data networks, like the PSTN, require physical protection on some levels. Data networks ...

Continuing our discussion on PSTN security, today we’d like to take a look at some excerpts from a June 2001 report from the President’s National Security Telecommunications Advisory Committee. We ...

CTC-911 is an affordable PSTN Security Alarm Control Panel that is able to store up to 6 phone numbers and to dial out to summon help in priority order. 4 different types of alarm messages - Fire, ...