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Bluetooth Profiles

The profile found in Bluetooth will describe how the technology is used. Profiles can be best described as vertical slices through the protocol stack. It will define options in each protocol that are mandatory for the profile. The profile will also define the parameter ranges for each protocol. The concept of the profile is used to decrease the risk of interoperability problems between the different products. These profiles won't normally define any additions to the Bluetooth specification, which is why you can add new profiles where you need them. The Bluetooth underlying technology is the same, only the specific method that it's used is defined. Generally speaking, all profiles of Bluetooth are based on the GAP (Generic Access Profile). There are 9 profiles that fall in the GAP category, and they are below:

1. AVRCP - Audio/Video Remote Control Profile

2. ESDP - Extended Service Discovery Profile

3. CIP - Common ISDN Access Profile

4. PAN - Public Area Network Profile

5. HCRP - Hardcopy Cable Replacement Profile

6. GAVDP - Generic Audio/Visual Distribution Profile

7. A2DP - Advanced Audio Distribution Profile

8. VDP - Video Distribution Profile

9. HID - Human Interface Device Profile To put it another way, usage models will describe Bluetooth device applications and the associated profiles that are used. The usage model focuses mainly on three categories - voice/data access points, peripheral interconnects, and PAN (Personal Area Networking). The voice and data access points involve connecting comp


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