Casio verizon User Manual page 130

Use callback number: Automatically adds a callback number
when composing a message.
Select callback number: You can select Use my phone
number or Set callback number. If you have selected Set
callback number, tap Callback number settings and enter a
callback number.
Callback number settings: Allows you to enter a callback
number.
Quick Text: Manage quick text list.
STORAGE
Delete old messages: Check to delete older messages in a
thread when the Text message limit or Multimedia message limit is
reached. Uncheck to keep all messages.
Text message limit: Allows you to set the number of messages to
save per thread of text messages.
Multimedia message limit: Allows you to set the number of
messages to save per thread of multimedia messages.
TEXT (SMS) MESSAGES
Delivery reports: Check to receive delivery reports for the text
messages you send.
Manage SIM card messages:Manage messages stored on your
SIM card.
MULTIMEDIA (MMS) MESSAGES
Delivery reports: Check to receive delivery reports for the
multimedia messages you send.
Auto-retrieve: Uncheck to download only the heading of
multimedia messages. You can later tap a heading to open a menu
to download the whole message.
Roaming auto-retrieve: Uncheck to download only the heading
of multimedia messages when connected to other carriers' data
networks. This is useful for avoiding unexpected charges if your
contract has limits on data roaming.
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