Glossary
IS 2000
Type of digital signaling. It's the second generation of CDMA digital cellular, an extension of
NAM
Number Assignment Module is how the phone stores the phone number and its electronic serial number.
SSL
Secure Sockets Layer Protocol used to encrypt data sent over the air.
TTY
Teletypewriter. An electromechanical typewriter that either transmits or receives messages coded in electrical signals. A phone with TTY support is able to translate typed characters to voice or translate voice into characters to display on the TTY.