48• If the message is an emergency message (sent onlyby a network operator), in addition to the messagesmentioned above, other messages in the Inbox, Outbox,and Saved folders could be automatically deleted ifyour phone’s memory is full.Types of mobile messagesDepending on your service provider, when you create a mobilemessage, Text and Number only may appear in a list of menuitems, requiring that you select the type of message to send.If this list does not appear, your phone will automatically createthe type of message supported by your service provider:• Text - A text mobile message can include text inaddition to a callback number.• Number only - A number only mobile message islike a numeric page: a callback number (the sender’sphone number) appears on the recipient’s pager orphone display.Parts of a mobile text messageA message consists of a header and a body. The header maycontain the sender’s phone number or email address and thedate and time that the message was sent. If an entry in yourPhone book matches the sender’s phone number, the sender’sname also appears. The body contains the main part of themessage. If you receive a message that was sent via email,the subject (title) of the message may appear at the beginningof the message body.Urgent mobile messagesAn urgent priority level can be assigned to a mobile message.When you receive an urgent mobile message, Urgent appearsin the message header. When you send an urgent mobilemessage, a similar notification message (or an icon) appearson the recipient’s phone or other device (if the recipient’sphone or other device supports it). See ‘Sending a message’on page 58.