VoIP is having a profound impact on the PSTN/cellular systems, as it seems to be slowly killing traditional voice over the Public Switched Telephone Network (PSTN) and probably over the cellular system. Will the legendary PSTN be phased out?
1. Discuss the current state of VoIP.
2. Discuss VoIP impact on the PSTN and cellular systems
3. What is your prediction of VoIP future, will it replace PSTN.
In 400 word total, replying to the 2 post below. Each reply must be 200 word.