(on left side of phone) to start applications such as Push to Talk or other services on your
Depending on how your system administrator sets up the
Application button, you may be able to use it from the main screen only, or you may
use it from any menu or service, or even when the phone is locked.
Application button can also be configured to start
an application immediately after you press it or only after you hold it for
For more information, contact your system administrator.