GM862-GPS Software User Guide - SemiconductorStore.com

GM862-GPS Software User Guide1vv0300729 Rev. 4 - 24/01/073.5.1.2 Check SMS Service Centre numberThe SMS are sent by the GM862-GPS to a service centre (SMSC) where the message is dispatchedtowards its final destination or is kept until the delivery is possible. To ensure a correct behavior of thisservice the number of the service centre must be the one your network operator supports.To check which number is stored as the SMSC:• send command AT+CSCA?• wait for response in the format:+CSCA: ,OKwhere: is the SMSC number is the SMSC number type:145 – international numbering scheme (number begins with "+")129 – national numbering schemeTIP: This settings remains stored in the SIM card until it is changed or deleted, so thisoperation may be done only once if the SIM Card is not changed. The setting is maintainedeven after power down.For example:1- Let's assume you want to check your SMSC number:command:AT+CSCA? response:+CSCA: +393359609600OK3.5.1.3 Add SMS Service Centre number (only if required)If your previously check for SMSC returned an empty field:+CSCA: ,129or if the SMSC number stored does not correspond to the desired one, then the new number has to bestored. In this way the previously stored number will be overwritten.• send command AT+CSCA=,where: is the desired SMSC number is the SMSC number type:145 – international numbering scheme (number begins with "+")129 – national numbering scheme• wait for OKReproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 56 of 111