•GPRS: Use only the GPRS network to send and receive SMS messages.
•CSD: Use only the dialup network to send and receive SMS messages.
•GPRS Preferred: Use the GPRS network preferentially. Only if there is no GPRS network present will the dialup network be used.
•CSD Preferred: Use the dialup network preferentially. Only if there is no GPRS network will the GPRS network be used.
Validity Period
This sets the duration that an undeliverable SMS message that you send can be stored at the message center. During this period, the message center will continue to attempt to deliver the message to the designated number.
Message Type
You can request that your network operator convert your text messages to different types.
Status Report
After activating this function, the network vendor will report to you when a message has been delivered.
Direct Reply
You can request that your reply to an SMS be sent directly through the sender's message center.