AT Command Set

9.1.9 GSM release cause for L3 Mobility Management (MM) (AT+CEER)

Number Description

Causes related to MS identification

2IMSI unknown in HLR

3Illegal MS

4IMSI unknown in VLR

5IMEI not accepted

6Illegal ME

Cause related to subscription options

11PLMN not allowed

12Location Area not allowed

13Roaming not allowed in this location area Causes related to PLMN specific network failures and congestion

17Network failure

22Congestion

Causes related to nature of request

32Service option not supported

33Requested service option not subscribed

34Service option temporarily out of order

38Call cannot be identified

Causes related to invalid messages

95Semantically incorrect message

96Invalid mandantory information

97Message type non-existent or not implemented

98Message not compatible with protocol state

99Information element non-existent or not implemented

100Conditional information element error

101Messages not compatible with protocol state

111Protocol error, unspecified Causes related GPRS

7GPRS services not allowed

8GPRS services not allowed in combination with non-GPRS services

9MS identity cannot be identified by the network

10

Implicitly detached

14

GPRS services not allowed in current PLMN

16

MSC temporarily unreachable

MC35_ATC_01_V04.00

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02.04.2002

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Siemens MC35 manual GSM release cause for L3 Mobility Management MM AT+CEER, Cause related to subscription options
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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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