Nortel Networks 4060 - Manual (Page 145)

Use Text message
145
OK
7. Press the OK soft key. A check mark
(o)) indicates the automatic text
message display function is enabled.
Note 1: A text message cannot be
received while the handset is ringing.
The sender receives an error message.
Note 2: If a text message is received
while menu changes are being made on
a handset, all unsaved menu changes
are lost. This includes telephone
numbers being entered, and message
text being entered.