Honeywell Dolphin 99EX User Manual page 114

Security
Services
9 - 8
Preliminary Draft 1/19/11
The Security screen provides access to establish or
change your security PIN. Check the box next to,
"Require a PIN when the phone is used" to enable the
PIN security feature.
For each service, the phone reads settings from the
network stored on the SIM card and then displays the
available options from the carrier on the screen. To
customize the settings, select it from the list and tap
"Get Settings".