Bluetooth GATT Service Reference
Object Transfer Service (0x1825)
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Quick Summary
No fixed value payload is declared in this XML; this entry defines metadata and profile structure. This page is generated from official GATT XML and presented as implementation-ready guidance.
At a Glance
Key reference details for BLE implementation, interoperability testing, and AI-assisted troubleshooting.
| Property | Value |
|---|---|
| Name | Object Transfer Service |
| UUID | 0x1825 |
| Type | org.bluetooth.service.object_transfer |
| XML Root | Service |
| Source File | org.bluetooth.service.object_transfer.xml |
| Field Count | 0 |
Characteristic List
Characteristics declared by this service profile entry.
| Characteristic | Type | Requirement | Properties |
|---|---|---|---|
| OTS Feature | org.bluetooth.characteristic.ots_feature | Mandatory | Read |
| Object Name | org.bluetooth.characteristic.object_name | C1 | Read, Write |
| Object Type | org.bluetooth.characteristic.object_type | Mandatory | Read |
| Object Size | org.bluetooth.characteristic.object_size | Mandatory | Read |
| Object First-Created | org.bluetooth.characteristic.object_first_created | Optional | Read, Write |
| Object Last-Modified | org.bluetooth.characteristic.object_last_modified | Optional | Read, Write |
| Object ID | org.bluetooth.characteristic.object_id | C1 | Read |
| Object Properties | org.bluetooth.characteristic.object_properties | Mandatory | Read, Write |
| Object Action Control Point | org.bluetooth.characteristic.object_action_control_point | Mandatory | Write, Indicate |
| Object List Control Point | org.bluetooth.characteristic.object_list_control_point | C1 | Write, Indicate |
| Object List Filter | org.bluetooth.characteristic.object_list_filter | C2 | Read, Write |
| Object Changed | org.bluetooth.characteristic.object_changed | Optional | Indicate |
Use Cases and Integration Notes
Service Discovery
Use this definition to validate discovered services and expected characteristics during BLE onboarding.
Profile Compliance
Cross-check required characteristics and properties for conformance and QA automation.
App Capability Gating
Drive feature availability in apps based on whether service-level requirements are present.
Implementation Checklist
- Validate the service UUID during discovery before reading characteristic metadata.
- Ensure mandatory characteristics exist and expose expected properties.
- Map declaration data to app feature flags before attempting writes/subscriptions.
- Record mismatches between firmware tables and expected profile definitions in logs.
Dependencies
- This service is not dependent upon any other services.
FAQ
What is Object Transfer Service in Bluetooth GATT?
Object Transfer Service is defined as a Bluetooth GATT service entry with type org.bluetooth.service.object_transfer and UUID 0x1825.
What UUID identifies Object Transfer Service?
The UUID for Object Transfer Service is 0x1825.
How should I parse Object Transfer Service?
Parse the structure and requirements from the XML definition, then enforce format/requirement rules in your BLE stack.
Where does this definition come from?
This page is generated from the Bluetooth SIG mirror XML in the oesmith/gatt-xml repository.
How does this page support BLE implementation?
The page combines structured tables, practical Q&A, and JSON-LD metadata to help teams validate integrations and troubleshoot consistently.