AT Command Set

Reference

GSM 07.07

Example 1

Example 2

concerned, e.g. provider, operator, distributor etc. on the one side and the manufacturer on the other side. For details contact your local dealer or Siemens AG.

The client should be aware that each of these lock types can only be unlocked if the associated password is available. See Chapter 4.35 and 4.35.1 for further instructions.

Supplementary Service: Call barring "AO" BAOC (Bar All Outgoing Calls)

"OI" BOIC ( Bar Outgoing International Calls)

"OX" BOIC-exHC ( Bar Outgoing International Calls except to Home Country)

"AI" BAIC (Bar All Incoming Calls)

"IR" BIC-Roam (Bar Incoming Calls when Roaming outside the home country)

"AB" All Barring services (applicable only for <mode> = 0)

"AG" All outGoing barring services (applicable only for <mode> = 0) "AC" All inComing barring services (applicable only for <mode> = 0)

Note: The availability of the Supplementary Services varies with the network. To benefit from call barring the client will need to sub- scribe them, though a limited number of call barring types may be included in the basic tariff package. Call barring is protected by a password supplied from the provider or operator. Usually there is one password which applies to all call barring options. For details contact your provider.

<oldpwd> password specified for the facility.

Can be ignored if no old password was allocated to the facility. Take into account that a password may have already been set by factory, or that the service is subject to a password issued by the provider. See notes above or contact provider.

if <fac> = “SC” then PIN

if <fac> = “AO”...”AC” (barring) then network password

(if needed)

if <fac> = “P2” then PIN2

if <fac> = “PS” then password

<newpwd> new password

To delete a password use the following syntax:

at+cpwd=<fac>,<oldpwd>

Note

CAUTION: After three attempts to enter a false PIN you will be prompted to enter the PUK. Failure to enter the PUK will permanently diasble the SIM card. See Chapter 4.35.1 for more information.

To change PIN2:

AT+CPWD=P2,0000,8888 (where 0000 = old PIN2 and 8888 = new PIN2)

To set password used to enable or disable barring of all outgoing calls:

AT+CPWD=ao,0000,3333

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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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