About WhistleOut

We're Australia's leading search engine for telecommunications products. Compare plans for Mobile Phones, Broadband, Tablets & Pay TV

Search Plans

Sound quality on NBN

Some providers may offer high definition (HD) voice which would provide higher quality sound. You need to check with the service provider if this is available. You will require a HD compatible handset to take advantage of this service.

Have more questions? Submit a request


Please sign in to leave a comment.