In one embodiment, the system includes a processor (referred to herein as a tandem access controller) connected to the PSTN which would allow anyone to directly provision, that is to say set-up and make immediate changes to, the configuration of his or her phone line. In another embodiment, a tandem...http://www.google.ca/patents/US6529596?utm_source=gb-gplus-sharePatent US6529596 - Web-based control of telephone
