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AC75 AT Command Set

13.1 SMS parameters

AC75_ATC_V01.002 Page 361 of 569 10/30/06

Confidential / Released

Discharge Time

GSM 03.40 TP-Discharge-Time in time-string format: "yy/MM/dd,hh:mm:ss+zz", where characters indicate year

(two last digits), month, day, hour, minutes, seconds and time zone. For example, 6th of May 1994, 22:10:00

GMT+2 hours equals "94/05/06,22:10:00+08"

IEIa (Information Element Identifier octet) of the concatenated SMS.

8 Concatenated short messages, 8-bit reference number

16 Concatenated short messages, 16-bit reference number

Integer type; value in the range of location numbers supported by the associated memory

Message Length

Integer type value indicating in the text mode (AT+CMGF=1) the length of the message body <data> (or

<cdata>) in characters; or in PDU mode (AT+CMGF=0), the length of the actual TP data unit in octets (i.e. the

RP layer SMSC address octets are not counted in the length) In text mode, the maximum length of an SMS

depends on the used coding scheme: It is 160 characters if the 7 bit GSM coding scheme is used, and 140 char-

acters according to the 8 bit GSM coding scheme.

If the SMS message format is ''text mode'' (AT+CMGF=1) and the character set is set to ''UCS2'' with AT+CSCS

and the SMS is also coded as "UCS2" (see <dcs> of AT+CSMP), then the length is in octets instead of charac-

ters.

For concatenated SMS messages the maximum length will be reduced by the length of the user data header

with respect to <ieia> (6 bytes for <ieia>=8 and 7 bytes for <ieia>=16). In the case of 8-bit data, the max-

imum length of the short message field is: 140 octets - (6 or 7) = 134 or 133. In the case of GSM 7 bit default

alphabet data, the maximum length of the short message is (140 - (6 or 7))*8/7 = 153 or 152 characters. In the

case of 16 bit UC2 data, the maximum length of the short message is: (140 - (6 or 7))/2)= 67 or 66 characters.

Maximum number of all segments to be concatenated into one SMS, beginning with 1.

<max>=0 means: ignore the value. This will result in a non-concatenated SMS.

0...255

Memory to be used when listing, reading and deleting messages:

“SM“ SIM message storage

“ME“ Mobile Equipment message storage

“MT“

(D)

Sum of "SM" and "ME" storages

Memory to be used when writing and sending messages:

“SM“ SIM message storage

“ME“ Mobile Equipment message storage

“MT“

(D)

Sum of "SM" and "ME" storages

<dt>

(num)

<ieia>

(num)

<index>

(num)

(num)

<max>

(num)

<mem1>

(str)

<mem2>

(str)

1 2 ... 356 357 358 359 360 361 362 363 364 365 366 ... 568 569

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