AT Command Set

6.1.7 AT+CGSMS Select service for MO SMS messages

Test command

AT+CGSMS=?

The test command lists the services and service preferences which can be selected with the AT+CGSMS write command.

Response

+CGSMS: (list of supported <service>s

OK

Parameter

 

<service>

See write command

Read command

AT+CGSMS?

Write command

AT+CGSMS=

[<service>]

Reference

GSM 07.07

The read command returns the currently selected service or service prefer- ence.

Response

+CGSMS: <service>

OK/ERROR/+CME ERROR

<service>

See write command

The write command specifies what service or service preference the MT shall use when sending MO SMS messages. If parameter <service> is not given, the current value remains unchanged.

Parameter

<service> a numeric parameter which indicates the service or service preference to be used.

0GPRS

1circuit switched

2GPRS preferred (use circuit switched if mobile is not GPRS attached)

3circuit switched preferred (use GPRS if circuit switched is not available)

Response

OK/ERROR/+CME ERROR

Note:

•Default value is 3 (circuit switched preferred).

•Parameter cannot be stored to user profile (AT&W).

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Siemens MC35 manual 7 AT+CGSMS Select service for MO SMS messages, +CGSMS service
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MC35 specifications

The Siemens MC35 is a compact and versatile modem designed primarily for mobile communication, data transmission, and machine-to-machine (M2M) applications. Launched in the early 2000s, it quickly became popular due to its blend of performance, reliability, and ease of integration, making it a solid choice for developers and businesses.

One of the key features of the MC35 is its support for GSM and GPRS technologies. This allows it to connect seamlessly to various networks, enabling users to transmit data at speeds that were impressive for its time. The GPRS capability can offer data rates of up to 171.2 kbps, allowing for efficient data transfer even in areas with limited connectivity.

The MC35 is designed to support both SMS and voice functionalities, making it adaptable for a range of applications. This includes remote monitoring, telemetry, and alarm signaling. The ability to send and receive SMS messages is a significant advantage for applications that require immediate alerts and notifications, enhancing its utility in security systems and industrial automation.

Furthermore, the modem is equipped with a range of interfaces, including serial communication (RS232), which makes it compatible with various hardware devices. This facilitates easy integration into existing systems, whether for industrial machinery or consumer electronics. Additionally, it features a robust software development kit (SDK), which enables developers to create custom applications tailored to their specific requirements.

Power consumption is another notable characteristic of the Siemens MC35. It is engineered to be energy-efficient, which is especially important for battery-operated devices or systems that require a prolonged operation without frequent recharging or maintenance.

In terms of physical characteristics, the MC35 is compact and lightweight, allowing it to fit into various enclosure designs without occupying much space. Its durability ensures it can perform reliably in different environments, making it suitable for outdoor and industrial applications.

To summarize, the Siemens MC35 stands out as a reliable modem with a rich feature set that includes GSM and GPRS support, SMS and voice capabilities, easy integration through various interface options, and energy-efficient operation. Its adaptability makes it a valuable tool for a wide array of communication and data transmission tasks, solidifying its place in the evolution of mobile communications technology.
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