Read about landline phone number
Sorry for the wait! This video is all about finally cancelling your ancient home phone line through your cable company, and how to keep it through Google Voice for free! It also touches on how I cut my bill in half after my cable company doubled it every month, and even tripled my internet speed while I was at it! NOTE: The "call" to my ISP's support line is simulated to walk you through what the process should be like. That was not a recording of a real representative.
It lists the disadvantages of VoIP compared to conventional (analogue) telephony. In this case we are talking not only about asterisk, but about any VoIP systems: both paid and free.