Unlike soft dialers, a hybrid dialer does not connect to an existing PBX system.
The next step is to find a vulnerable PBX system.
Kwan and his cohorts in the Philippines provided a stream of PBX systems to exploit.
One approach is to route calls via a new PBX system linked to the recorder.
"Are you suggesting someone may be monitoring your phone calls from a multiline phone that's connected to the PBX system?"
I now ban any IP address that attempts to log into my PBX system more than tree times.
It can be used in computer based PBX systems such as Asterisk.
Two significant developments during the 1990s led to new types of PBX systems.
Historically, the expense of full-fledged PBX systems has put them out of reach of small businesses and individuals.
Apple started an effort to promote GeoPort as a standardized computer interface to PBX systems.