Technical reference section

AT+CPBS - Select phonebook memory storage

When reading or writing a phonebook entry, you must tell the M1 which phonebook memory will be affected by the subsequent read/write jobs. The following phonebook memories are supported in the M1:

Phonebook on the SIM card

Last number redial memory

Own telephone numbers

FDN phonebook (if this is also supported by the SIM card)

 

AT+CPBS

 

 

Command

Result

 

 

AT+ CPBS= dir.

Selects a new phonebook.

 

 

AT+ CPBS?

Provides you with information on which phonebook is cur-

 

rently activated.

 

 

AT+ CPBS=?

Displays a list of all the telephone directories supported.

 

 

 

 

 

AT+CPBS=?

 

 

Command

AT+CPBS=?

 

 

Result code

+CPBS: “MD“ , “SM“ , “OW“ , “FD“

 

 

 

Meaning

 

 

MD

Last number redial memory; displays the last telephone num-

 

bers that you dialed.

 

 

SM

SIM card; this is the standard phonebook containing the

 

entries.

 

 

OW

Own telephone number; this phonebook contains your own

 

telephone numbers under which you can be reached. Nor-

 

mally, you only need to read this directory since you cannot

 

call your own number and it does not change.

 

 

FD

Fixed dialing number; this is a second phonebook. If the rele-

 

vant block is set, only the numbers from this FDN phonebook

 

can be called. This phonebook and the block are protected by

 

PIN2.

 

 

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Siemens M1 manual AT+CPBS Select phonebook memory storage, At+Cpbs=?, +Cpbs Md , Sm , Ow , Fd

M1 specifications

The Siemens M1 is a prominent urban transit solution designed for efficient and sustainable public transportation systems. This innovative metro train has become a staple in various metropolitan areas, known for its balance of performance, safety, and passenger comfort.

One of the key features of the Siemens M1 is its modular design, which allows for flexibility in configuration depending on specific transit needs. The train typically consists of multiple carriages that can be adjusted for length and capacity, accommodating different passenger volumes while minimizing operational costs. This adaptability makes the M1 ideal for growing urban environments where ridership numbers can fluctuate.

The Siemens M1 is built with advanced technologies that enhance its operational efficiency. It utilizes a lightweight construction, primarily through the use of aluminum, which reduces energy consumption while still maintaining structural integrity and safety standards. The train is also equipped with cutting-edge traction systems that ensure smooth acceleration and fast braking, resulting in a comfortable ride for passengers.

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