Secret startup OnBeep aims to fill push-to-talk void

So what’s Opscode founder Jesse Robbins up to? His startup OnBeep appears to be working on ways to enable smart phones to pull double duty as walkie-talkie devices often used by first responders and blue-collar workers.

Push-to-pay: It’s about to get expensive to stay on Nextel

Sprint plans to shutter its old Nextel iDEN systems for good next summer, but before it can do so it needs to migrate millions of customers still using the network. In January, Sprint will start charing a $10 monthly fee to Nextel iDEN customers.