12. February 2009 19:23
The wireless market has matured and subscriber growth rates have slowed. To help drive continued revenue growth, wireless carriers are increasingly promoting add-on services such as Mobile Broadband and Push-to-Talk (PTT). Similar to walkie-talkie, Push-to-Talk is a half duplex system where one person talks and other(s) listen. Push-to-Talk supports a near instant connection and also allows a single person to reach an active talk group at a push of a button.
Push-to-Talk is not likely to become ... [More]