Store and Forward Messaging SMS

• • Delays in transmission

    • (though new report questions if this is system or receive issue)

  • Message length

  • Overlapping messages

Instant messaging

• • Great for casual and for "time share" communication

  • Problems when used in Emergency and rushed communication

  • Interrupted message yields no message at 9-1-1 center

  • Dead times and crossed messages

Real-time messaging (e.g. T140)