Maxcom MM 819 Manual page 17

Inbox
You can view SMS in inbox.

View：View detail number and content.

Reply：Reply to present message.

Call sender： Dial to addresser.

Forward：transpond this message

Delete：Delete present message.

Delete all：Delete all messages in inbox.

Save to phonebook ： Restore contact to
phonebook.
Drafts
Messages which haven't sent yet would be kept
here.
Outbox
Message failed to send would kept in outbox.
Sent messages
Sent message would be saved here if you open the
function saving sent message in SMS setting.
SMS settings
SIM：Input native SMS center number to activate the
function sending message. You can open sending
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