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Q.:  Has Nokia an extended AT command set ?
A.:  No. Do not ask me why, but they do not have one except AT*NokiaTEST, AT*NokiaAUD and AT*NokiaFBUS. If you want to build a software tool use the Nokia PC Connectivity (only for Windows) which is based on several protocols: see examples of F2Bus and Nokia IR.

Another way are Over-The-Air SmartMessages (OTA-SMS), which allow sending of Operator logos, Ringtones, Picture messages, long SMS, WAP bookmarks, WAP settings, vCard and vCalendar entries via SMS. You should start with the Developer Nokia SMS section and download the following documents:
AT Command Set,
Smart Messaging Specification
and have a look at the FAQ page in that Nokia developer section.

You should study the SMS PDU mode (we saw this at the SMS section):
SMS-PDU mode,
– 3GPP TS 23.040,
– 3GPP TS 23.038 and

These are explained examples of Nokia OTA-SMS (SmartMessage specification chapter 3.7) as they are send via SMS-SUBMIT type (3GPP TS 23.040 chapter Caller Line Identification IconOperator logo – large Operator logo
and read the official specifications and the FAQ for a lot more options.

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