Bluetooth Support
The Windows Vista Bluetooth stack is improved with support for more hardware IDs, EDR performance improvements, Adaptive frequency hopping for Wi-Fi co-existence, and Synchronous Connection Oriented (SCO) protocol support which is needed for audio profiles. The Windows Vista Bluetooth stack supports a kernel mode device driver interface besides the user-mode programming interface, which enables third-parties to add support for additional Bluetooth Profiles such as SCO, SDP, and L2CAP. This was lacking in the Windows XP Service Pack 2 built-in Bluetooth stack, which had to be entirely replaced by a third-party stack for additional profile support. It also provides RFCOMM support using sockets besides virtual COM ports. KB942567 called Windows Vista Feature Pack for Wireless adds Bluetooth 2.1+EDR support and remote wake from S3 or S4 support for self-powered Bluetooth modules. This feature pack while initially only available to OEMs, was eventually included in Windows Vista Service Pack 2.
Read more about this topic: Windows Vista Networking Technologies
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