Maxcom MM823 User Manual page 48

Settings. You can select from the following
options:
SIM
Message Center
Starred
Messages
Delivery
Reports
48
Select text message validity
period, type of message, whether
to receive delivery reports, set a
reply path and preferred type of
connections
You can change the Text Message
Center number (provided by the
network provider)
Select the time of message
priority
Enable/disable message delivery
reports