Siemens MC55 AT manual Short Message Service SMS Commands, SMS parameters, Ackpdunum, Cdatanum

13.Short Message Service (SMS) Commands

The AT Commands described in this chapter allow an external application to use the Short Message Service with the MC55.

13.1SMS parameters

Parameter Description

<ackpdu>(num)

Format is same for <pdu> in case of SMS, but without GSM 24.11 SC address field and parameter shall be bounded by double quote characters like a normal string type rarameter

<alpha>(str)(+CSCS)

String type alphanumeric representation of <da> or <oa> corresponding to the entry found in phonebook; imple- mentation of this feature is manufacturer specific

<cdata>(num)

Command Data

GSM 03.40 TP-Command-Data in text mode responses; ME/TA converts each 8-bit octet into two IRA character long hexadecimal numbers (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and 65))

<ct>(num)

Command Type

GSM 03.40 TP-Command-Type in integer format [0]...255

<da>(num)(+CSCS)

Destination Address

GSM 03.40 TP- Destination-Address Address-Value field in string format; BCD numbers (or GSM default alpha- bet characters) are converted into characters; type of address given by <toda>

<data>(num)(+CSCS)

User Data

In case of SMS: GSM 03.40 TP-User-Data in text mode responses; format:

•If <dcs> indicates that GSM 03.38 default alphabet is used and <fo> indicates that GSM 03.40 TP-User- Data-Header-Indication is not set: ME/TA converts GSM alphabet into current TE character set according to rules covered in Annex A.

•If <dcs> indicates that 8-bit or UCS2 data coding scheme is used, or <fo> indicates that GSM 03.40 TP- User-Data-Header-Indication is set: ME/TA converts each 8-bit octet into hexadecimal numbers con-taining two IRA characters (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and 65).

In case of CBS: GSM 03.41 CBM Content of Message in text mode responses; format:

•If <dcs> indicates that GSM 03.38 default alphabet is used: ME/TA converts GSM alphabet into current TE character set according to rules covered in Annex A.

•If <dcs> indicates that 8-bit or UCS2 data coding scheme is used: ME/TA converts each 8-bit octet into hexa- decimal numbers containing two IRA characters.

MC55_ATC_V04.00	Page 331 of 475	3/17/06
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