Blackberry 7780 - Manual (Page 136)

8: Reference
136 User Guide
Icons
Address book
Messages
Icon Description
phone number contains a pause
phone number contains a wait
Icon Description
message is being sent
message will be sent when possible
attachment request sent
message was sent to the network
attachment request was successful
PIN or SMS message was delivered to the recipient
saved draft of email or PIN message
message transmission error
attachment request was not successful
unopened email message
opened email message
unopened SMS message
opened SMS message
email message is filed
high importance