Two related stories:

Telstra today said it did not believe Voice over Internet Protocol (VoIP) telephony could deliver sufficient reliability and quality to enable the telco to launch a VoIP service to consumers, despite revealing plans to launch a VoIP service to small businesses, including those with staff working from home.
»delimiter.com.au/2011/05/02/cons···elstra/

National broadband provider iiNet has responded to comments by Telstra that consumer-grade Voice over Internet Protocol (VoIP) telephony isn’t yet reliable enough for use by pointing out that it has 170,000 customers using the technology – and they’re very happy, thank you very much.
»delimiter.com.au/2011/05/05/we%E···elstra/