Hi Tyler Bluetooth Spec v4.2Vol 3., Part H 2.3.5.7 "Cross-transport Key Derivation" describes how link keys from BR/EDR could be used for BLE and vice versa. I don't know if iOS devices implement that, but it's probably worth a try. It would assume that they do as they implement the new LE Secure Connections mechanism. Best Matthias

On 18.03.2016, at 19:10, Tyler Freeman <tyler@cronologics.com> wrote:

I have a device which needs to use ANCS via BLE, and also needs to use the PAN profile via Bluetooth Classic 2.1 (BTC).

So far, I've only been able to do it by pairing to the same iPhone twice: once for BLE, and once for BTC. It seems like the iPhone actually uses different addresses for BLE and BTC: essentially, to my device, it appears as two completely separate devices (one BLE and one BTC).

If I try to initiate PAN over the already-paired BLE connection, it returns 0x04 "unauthorized" error.

Is there some way to be able to initiate a pairing request only *once*, that is valid authentication for both ANCS (BLE) and PAN (BTC)?

Thanks!

Tyler

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