Nokia 6090SW v 5.3009.05.2001Page 2 / 91. Executive summaryThis document describes the main changes of Nokia 6090 software version 5.30. Newfeatures included in version 5.30 permit the Nokia 6090 to be connected to a wider rangeof devices and applications, offering highly flexible performance solutions in addition tothe advantages of reduced running costs and better security.The aim of this document is to help customers, distribution channels, applicationcompanies and integrators to understand the changes between this new software versionand the previous version – v5.20. All changes which may impact Nokia 6090 users andapplications builders are described here.Commercial launch of the software version 5.30 occurred on 9 May 2001.2. New FeaturesApplication builders wishing to understand the detailed changes in version 5.30 shouldrefer to the examples shown in the appendix of this document. An overview of the newfunctionality provided by these changes given below:AT+CMER is implementedMobile equipment indicator reporting via AT commands. It enables an external deviceconnected to the Nokia 6090 to "know" which buttons are pushed by the user and reactaccordingly. For example, it can help make the Nokia 6090 handset control the externaldevice, making the need for an additional keypad redundant.AT+CKEV & AT+CIEV unsolicited result codes are implemented.This command makes it possible for an external device to "know" about eventshappening to the phone and react accordingly (e.g. incoming call, alerts from network).AT+CKPD is implemented(supported values are listed in detail in the Nokia 6090 AT document) Keypad control viaAT commands.This enables, for example, external devices connected to the Nokia 6090 to fully controlthe Nokia 6090. Examples might be to switch off message alert tones or to changeringing tones remotely. It therefore makes it possible to use an external device such as aPDA or a fleet-management on-board unit as user interface instead of the Nokia 6090handset as soon as the relevant applications exist.AT+CIMI is implementedRequest international mobile subscriber identity via AT command. This makes it possiblefor a connected device to "know" which SIM card (Subscriber Identity Module) is beingused. Since a SIM can be matched with a user, the application can, for example,allow/restrict/adapt access depending upon the user. Moreover, using a relevantapplication, fleet headquarters can easily match vehicles with drivers.