With FCC approval, a Sprint-Clearwire merger seems imminent. eWeek reported today of Sprint’s FCC approval; paving the way for the 2 companies to merge.
Clearwire, which has a history of blocking VoIP providers such as Vonage and voip.com, may not have the best reputation for early adopters.
With a history of non-net-neutrality, we would hope that Clearwire (and Sprint) both make active statements about the future of WiMax service with VoIP and the ability to choose your own provider.
We can remember helping troubleshoot many a VoIP issue with Clearwire customers affected by their blocking policies. When asked, “Why would Clearwire block Vonage but offer their own VoIP service?” we would simply say, “because they can.” Although these issues were mostly in the past (2006), we must remember that history is a great predictor.

[...] Read the rest here: Clearwire and Sprint Joining Forces? [...]
Clearwire and Sprint Joining Forces? · www.voip-why.com
5 Nov 08 at 6:05 pm
“Oh, you have Clearwire? Then you are entitled to a full refund.” I know this has been said by numerous VOIP companies.
Perhaps sprint is only interested in the WiMax aspect. A wifi/4g/voip network may be in the works.
This is purely speculation, as I can’t think of a reasonable incentive to merge.
syn
6 Nov 08 at 11:12 am
To clairify : I don’t see an incentive for Sprint.
syn
6 Nov 08 at 11:13 am