Messagethis function, and manually set the phone. Pleasecontact with your network operator for more details.Caution:It’s workable to transfer the voice call into thevoice mail (The number the call will leave amessage) by setting “Divert calls”.5.6.3 Settings SMS SIM1/ SIM2 msg center: While sendingmessages, you must set the service centernumber provided by network operator. MostSIM cards defaulted contain the servicecenter number. You can also gain this numberdirectly from the network operator.Caution:If you modify or delete the service centernumber, an SMS might not be sentsuccessfully. Message validity period: Allows you to setthe length of time during which your SMS willbe stored in the message center. The validityperiod depends on the network operator. Status report: Select [On], then the textmessage center will inform you when yousuccessfully sent a message. Save sent messages: You can selectwhether to save the sent message or not. Preferred storage: You can select to savethe SMS to the SIM card or the phone first. MMS5.6.4 Message capacityYou can view memory capacity status for SMS andMMS via this function.