Specifications

SIM900 AT Commands Set

SIM900_ATC_V1.01 73 23.06.2010

Response

TA returns location range supported by the current storage, the maximum

length of <number> field, supported number formats of the storage, and

the maximum length of <text> field.

+CPBW: (list of supported <index>s), <nlength>, (list of supported

Test Command

AT+CPBW=?

Parameters

see Write Command

Response

TA writes phone book entry in location number <index> in the current

phone book memory storage selected with +CPBS. Entry fields written are

phone number <number> (in the format <type>) and text <text> associated

with the number. If those fields are omitted, phone book entry is deleted. If

<index> is left out, but <number> is given, entry is written to the first free

location in the phone book.

Write Command

AT+CPBW=

[, <number>,

[<type>, [<text>]]]

Parameters

<nlength> max. length of phone number

<tlength> max. length of text for number

<index> location number

<number> phone number

<type> type of number;

129 National number type(IDSN format

161 National number type(IDSN format)

145 International number type(ISDN format )

177 Network specific number(ISDN format)

<text> string type(string should be included in quotation marks):

text for phone number in current TE character set specified

by +CSCS.

Note: The following characters in <text> must be entered via the

escape sequence:

GSM char. Seq. Seq.(hex) Note

\ \5C 5C 35 43 (backslash)

“ \22 5C 32 32 (string delimiter)

BSP \08 5C 30 38 (backspace)

NULL \00 5C 30 30 (GSM null)

‘0’ (GSM null) may cause problems for application layer

software when reading string lengths.

Reference

GSM 07.07 [13]

Note