http://www.hexus.net/content/news/ne...lld19JRD0xNDc2VoIP is taking off, but there are concerns over whether it is a suitable replacement for traditional phone systems given the current way 911 calls are handled.
In the US, the FCC ruled in May that VoIP calls to 911, the US emergency services number, should route to emergency dispatchers and advise them of the location of the caller. This becomes a requirement for US VoIP providers on November 29th.