A post over at the VoIP Tech Chat forum at DSL Reports points out that PBXes, a service of the German company I-P-Tel, has recently added support for HDVoice in the form of G.722. Apparently this is just a trial to see about uptake rates. A related post in their own forum hints that it’s going well so far.
I’d like to add these guys to my series on Making Use of HDVoice Right Now, but a cursory look at their service offering reveals that their free accounts don’t have access to G.722 based services. You must be on a paid account to get into the trial. To date everything in that series has been possible with free accounts from the likes of Skype, OnSIP, Gizmo5, SIPGate and IdeaSIP.