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52 Using Your Phone
Service Center No.
This feature allows you to save the message center's phone
number for sending your messages. The messages that you
send are sent to recipients through this message center.
Enter the message number provided by the network vendor.
After you are finished, press to confirm.
Bearer Mode
This can be set according to whether you are using a GPRS
network system or a regular GSM dialup network. If you are
using a GPRS network, you can use both the GPRS and dialup
network to send and receive SMS messages. If however you are
using a dialup network, you are restricted to using only the
dialup network for sending and receiving SMS messages.
• 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.