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​The material contained on this page is informative only. Authoritative compliance information is contained in the applicable Bluetooth specification.

org.bluetooth.descriptor.gatt.client_characteristic_configuration

Name: Client Characteristic Configuration

Type: org.bluetooth.descriptor.gatt.client_characteristic_configurationDownload / View

Assigned Number: 0x2902

Abstract:

The Client Characteristic Configuration descriptor defines how the characteristic may be configured by a specific client.

The information contained on this web page is informative.

Informative means that the text may provide background or context to the authoritative text contained in the adopted Bluetooth specification. Informative text is not considered when determining compliance to the Bluetooth specification. Please refer to the adopted Bluetooth specification for the normative (i.e. authoritative) text used to establish compliance. Compliance issues due to errors on this web page are not the responsibility of the Bluetooth SIG and rest solely with the member.

Summary:

This descriptor shall be persistent across connections for bonded devices. The Client Characteristic Configuration descriptor is unique for each client. A client may read and write this descriptor to determine and set the configuration for that client. Authentication and authorization may be required by the server to write this descriptor. The default value for the Client Characteristic Configuration descriptor is 0x00. Upon connection of non-binded clients, this descriptor is set to the default value.

Value Fields

Names Field Requirement Format Minimum Value Maximum Value Additional Information
Properties
Mandatory
16bit 0 3
Bit Field
Bit Size Name
Definition
Key Value
0 1
0 Notifications disabled
1 Notifications enabled
1 1
0 Indications disabled
1 Indications enabled
2 1 Reserved for future use
3 1 Reserved for future use
4 1 Reserved for future use
5 1 Reserved for future use
6 1 Reserved for future use
7 1 Reserved for future use
8 1 Reserved for future use
9 1 Reserved for future use
10 1 Reserved for future use
11 1 Reserved for future use
12 1 Reserved for future use
13 1 Reserved for future use
14 1 Reserved for future use
15 1 Reserved for future use