I have just spent a week looking around for ways of measuring how good your mobile network really is.
Check out Mobile Pulse, http://www.mobilepulse.com/how-it-works . A startup giving the enterprise telecom’s buyer the power when negotiating your next cellular contract.
The dashboard is really powerful and you can download all of the data. It’s early days for me, but I have 8 devices under management and am finding the data extremely addictive.