Overview of Portable USB Speakerphones
For the past few years a little USB speakerphone has been a constant fixture on my desk. This fact was initially driven by my UK-based coworkers who have a habit of using Skype. Most of the Skype traffic was simply IM, but once in a while it would escalate to a voice call. In those cases I needed a suitable audio device, but it wasn’t routine enough to merit keeping a headset immediately available.
Over time I started to see increasing value in using other soft phones as well. At first it was for the convenience of being able to effectively turn any PC I happened to be working on into a phone. The scope of this sometimes goes beyond telephony. For example, I’ve used a USB audio device to record screencast training movies. Since server class motherboards often don’t have built-in audio interfaces, using a USB attached device makes it possible to record the narrative of the training on the host system along with the screencast.
I don’t generally hang around in public VoIP forums but I do monitor several using Google Reader. So it was that Tuesday evening I found a new thread about “HDVoice” at the VoIP Tech Chat forum on BroadbandReports.com. Someone had posted a question about the significance of HDVoice and a few braves souls were weighing in with their take on the matter.
Earlier today someone started 
Not long ago I received tip about 
So after months of badgering people about G.722 based wideband capabilities in soft phones I’ve settled on using Counterpath’s Eyebeam v1.5 as my principle soft phone. I have it installed on my laptop and netbook, both systems that travel with me all the time.