Technical reference section

AT+CMGL - List messages

This command allows you to display the short message with the status <stat> from memory <mem1>.

Action command syntax

Command

Possible response(s)

 

 

 

 

+CMGL=[ <stat>]

If PDU mode (+CMGF=0) and command successful:

 

 

+CMGL:<index>, <stat>, <length><CR><LF><pdu>

 

 

[<CR><LF>+CMGL:<index>,<stat>,<length><CR><LF>

 

 

<pdu>[....]]

 

 

Otherwise:

 

 

+CMS ERROR : <err>

 

 

 

 

+CMGL=?

+CMGL: (list of supported <stat>s)

 

 

 

 

 

 

 

AT+CMS ERROR - message service failure result codes

Value definitions

 

 

<err>

Values used by common messaging commands

0...127

Values from GSM 04.11 Annex E-2

128...255

Values from GSM 03.40, section 9.2.3.22

300

ME failure

301

SMS service of ME reserved

302

Operation not allowed

303

Operation not supported

304

Invalid PDU mode parameter

310

SIM not inserted

311

SIM PIN necessary

312

PH-SIM PIN necessary

313

SIM failure

314

SIM busy

315

SIM wrong

320

Memory failure

321

Invalid memory index

322

Memory full

330

SMSC address unknown

331

No network service

332

Network timeout

500

Unknown error

 

 

 

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Siemens M1 manual AT+CMGL List messages, +Cmgl=?, AT+CMS Error message service failure result codes, Value definitions

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.

Safety is a paramount concern in transit systems, and the M1 incorporates various safety technologies. It features advanced signaling systems that enhance communication between trains and trackside equipment. Moreover, the train is designed with anti-collision measures and real-time monitoring systems that can detect faults before they lead to service disruptions.

Passenger comfort is another critical aspect of the Siemens M1 design. The interiors are spacious and feature modern seating arrangements, allowing for easy movement within the train. Large windows provide natural light and views of the outside environment, contributing to a more pleasant travel experience. The train also offers features like climate control, information displays, and accessibility options for passengers with reduced mobility.

Environmental sustainability is an integral part of the Siemens M1’s design. It is tailored to reduce carbon emissions, featuring energy-efficient systems that lower the overall ecological footprint. Additionally, the train can be integrated with renewable energy sources, further promoting green public transport initiatives.

Overall, the Siemens M1 stands out as a versatile and efficient urban transit option, combining modern technology and design principles that cater to the needs of both operators and passengers. With its focus on safety, comfort, and sustainability, the Siemens M1 continues to play a vital role in shaping the future of urban mobility.