Numbering Resources

Electronic Serial Numbers (ESN) An electronic serial number (ESN) is the unique identification number embedded or inscribed on the microchip in a wireless phone by the manufacturer. The ESN cannot easily be altered in the field. The ESN differs from the mobile identification number (MIN), which is the wireless carrier’s identifier for a phone in…
Wi-Fi router
TR-45 Mobile and Point-to-Point Communications Standards

The TR-45 Engineering Committee develops performance, compatibility, interoperability and service standards for mobile and personal communications systems.