D-Link DWM-156 User Manual page 17

2. Options (also can use

General
You may choose the alert tone when
connected/disconnected to the internet.

Text Message Setting

You may active the message alert tone, and also
can set up your favorite tone via selecting a *.wav
file in the PC.

The number showed in the SMS center is read
from the (U)SIM card automatically; modification is
not recommended;
Note: SMS would not work with the wrong SMSC.
Contact with the service provider to get the correct
SMSC. You may select the period in the drop‐box, it
specifies the validity which the message would
save in the network;
Note: The validity setting of SMS should be supported by
the network.

Network

Network Type
)