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[Bug 1494225] Re: Call audio is not routed to headset with HFP


sorry not been able to set my phone up for logging at the moment -
although reasonably technical and used to using the cli for out of the
normal occasions, I don't go for the cli normally and prefer a gui, so
just need to get my head around setting up.

Not sure if it helps, but I did notice though that for normal operation as long as you are slow in connecting everything then it does all seem to hang together. Here's what I do (to get it to work);
- have bluetooth switched on on the phone (with the pairing already completed)
- switch on the headset and wait for the bluetooth icon to go from a black background, to white and then back to black.
- wait 20-30 seconds (till I think it will have sorted itself out)
- press the button on the headset (the one that initiates a connection and is also used for answering and ending calls)
- wait till the bluetooth icon goes white and the bluetooth volume 'overlay' is shown - this can take 30-40 seconds

I can now make or receive calls and the sound/mic are passed to/from the
headset correctly.

If I try to 'rush' this cycle or answer a call then switch on the
headset, that's when the problem shows and I get connection to the
headset to no sound to or from the headset or speakers/phone mic.

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  Call audio is not routed to headset with HFP

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Bug description:
  With bluez 5.33 on Nexus 4 and silo 43 installed:

  * pair and connect a headset over HFP
  * Establish an outgoing call or accept an incoming one
  * Once the call is established the call audio isn't routed through the handsfree device

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