HFP
E745313
HFP is a Bluetooth profile used for hands-free communication, commonly enabling voice calls through car kits and headsets.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Hands-Free Profile | 4 |
| Bluetooth HFP | 1 |
| HFP canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8610859 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: HFP Context triple: [PBAP, relatedTo, HFP]
-
A.
HAP
HAP is Apple's HomeKit Accessory Protocol, a communication standard that defines how smart home accessories securely interact with Apple devices and the Home app.
-
B.
Fitel
Fitel was a financial technology startup where Jeff Bezos worked early in his career, before joining D. E. Shaw and later founding Amazon.
-
C.
HF
HF is the Faculty of Humanities at the University of Oslo, encompassing disciplines such as languages, history, culture, and philosophy.
-
D.
HSPA
HSPA is a family of mobile broadband technologies that enhance 3G networks by significantly increasing data transfer speeds and overall network performance.
-
E.
aptX
aptX is an audio codec designed to deliver higher-quality, low-latency wireless sound, commonly used over Bluetooth connections for music and media streaming.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: HFP Target entity description: HFP is a Bluetooth profile used for hands-free communication, commonly enabling voice calls through car kits and headsets.
-
A.
HAP
HAP is Apple's HomeKit Accessory Protocol, a communication standard that defines how smart home accessories securely interact with Apple devices and the Home app.
-
B.
Fitel
Fitel was a financial technology startup where Jeff Bezos worked early in his career, before joining D. E. Shaw and later founding Amazon.
-
C.
HF
HF is the Faculty of Humanities at the University of Oslo, encompassing disciplines such as languages, history, culture, and philosophy.
-
D.
HSPA
HSPA is a family of mobile broadband technologies that enhance 3G networks by significantly increasing data transfer speeds and overall network performance.
-
E.
aptX
aptX is an audio codec designed to deliver higher-quality, low-latency wireless sound, commonly used over Bluetooth connections for music and media streaming.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | Bluetooth profile ⓘ |
| abbreviationOf |
Hands-Free Profile
ⓘ
linked to:
HFP
|
| category |
Bluetooth telephony profile
ⓘ
linked to:
Bluetooth A2DP
|
| definesRole |
Audio Gateway
ⓘ
Hands-Free Unit ⓘ |
| enables |
hands-free calling in vehicles
ⓘ
wireless headset calling ⓘ |
| fullName |
Hands-Free Profile
ⓘ
linked to:
HFP
|
| HFP1.6Introduced | wideband speech support ⓘ |
| HFP1.6WidebandSpeechCodec |
mSBC
ⓘ
linked to:
SBC
|
| layeredOn |
Bluetooth BR/EDR
ⓘ
linked to:
Bluetooth Core Specification
|
| relatedTo |
Bluetooth Headset Profile
ⓘ
linked to:
Headset Profile
|
| roleAudioGatewayTypicallyImplementedIn |
mobile phones
ⓘ
smartphones ⓘ |
| roleHandsFreeUnitTypicallyImplementedIn |
Bluetooth headsets
ⓘ
car kits ⓘ in-car infotainment systems ⓘ |
| standardizedBy | Bluetooth SIG ⓘ |
| supersedesInFunctionality |
Bluetooth Headset Profile
ⓘ
linked to:
Headset Profile
|
| supports |
audio transfer for calls
ⓘ
battery level indication ⓘ call hold ⓘ call waiting ⓘ echo cancellation (device-dependent) ⓘ in-band ringtone ⓘ noise reduction (device-dependent) ⓘ out-of-band ringtone ⓘ phone number presentation ⓘ redial ⓘ signal strength indication ⓘ three-way calling ⓘ voice call setup ⓘ voice call termination ⓘ voice dialing activation ⓘ |
| usedFor |
hands-free communication
ⓘ
voice calls ⓘ |
| usedIn |
Bluetooth headsets
ⓘ
car kits ⓘ feature phones ⓘ in-car infotainment systems ⓘ navigation devices ⓘ smartphones ⓘ speakerphones ⓘ |
| uses |
AT command set (adapted from GSM 07.07)
ⓘ
SCO audio links ⓘ eSCO audio links ⓘ |
| versionExample |
HFP 1.5
ⓘ
HFP 1.6 ⓘ HFP 1.7 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: HFP Description of subject: HFP is a Bluetooth profile used for hands-free communication, commonly enabling voice calls through car kits and headsets.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: HFP
linked to: HFP
linked to: HFP
linked to: HFP