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CC2560: SCO connection issue with iphone

yoontaek seo
Prodigy 160 points

Part Number: CC2560

Hello,

I am developing a product based on your HFP Demo.

There is no problem in SCO connection with android phones.

But I am failing in SCO connection with iPhones.

The iOS is 9.3.5.

When I issue ManageAudio 1,0 on prompt,

I got the message like the below:

manageaudio 1 0

HFRE_Setup_Audio_Connection: Function Successful.

HFRE16>

HFRE Audio Connection Indication, SCO/eSCO handle: 0xf000 HFP ID: 0x0001, Status: 0x0001.

I2S configuration start f = 8000

Setup CVSD with Audio for ACL handle 0x0

ServerPortIndex : 1.

IsConnected : TRUE.

IsCallWaiting : FALSE.

IsCallOnHold : FALSE.

IsInActiveCall : FALSE.

IsInActiveSCO : TRUE.

IsInActiveAudio : TRUE.

 

I have posted a question related to this last year.

But it disappeared from this forum.

Could you have any solution or suggestion I can try?

Thank you.

  • 0
    TI__Mastermind 29361 points
    Hi Yoontaek,

    I will look into this issue. Could you please provide the following information?

    - What is the platform and release version of the ti dual-mode bluetooth stack being used?
    - Are you using HFP in Audio Gateway (AG) or Hands Free (HF) role?
    - Also, are you seeing the same issue with newer iOS versions (like iOS 10.2)?

    Best regards,
    Vihang
  • 0 in reply to Vihang Parmar
    Prodigy 160 points
    Hello Vihang,

    - What is the platform and release version of the ti dual-mode bluetooth stack being used?
    => Device Chipset: 4.1
    BTPS Version : 4.0.2.1
    Project Type : 6
    FW Version : 7.26
    - Are you using HFP in Audio Gateway (AG) or Hands Free (HF) role?
    => I am using it for Hands Free.
    - Also, are you seeing the same issue with newer iOS versions (like iOS 10.2)?
    => I have the same issue with the iOS 10.2.1.

    Thank you.
  • 0 in reply to yoontaek seo
    Prodigy 160 points

    Hello Vihang,

    Is there any update on this matter?

    This is an urgent issue for us.

    Have you tested your Bluetooth stack with iOS about HFP?

    Thank  you.

  • 0 in reply to yoontaek seo
    TI__Mastermind 29361 points
    Hi,

    I just tested out the HFPDemo with iPhone (iOS 10.2) and no issues with SCO connection.

    Please note that, in order to have some SCO data transferred from the iPhone, you need to make a call first or answer an incoming call on the iPhone.

    Best regards,
    Vihang
  • 0 in reply to Vihang Parmar
    Prodigy 160 points

    Hello vihang,

    Thank you for the reply.

    My product combines the HFP and ISPP.

    I just found out that AddDeviceIDInformation(), which was included in your ISPP release, is affecting the behavior of HFP audio connection.

    why is that?

    Even if I don't use that function, there would be no problem with ISPP?

    Thank you.

  • 0 in reply to yoontaek seo
    TI__Mastermind 29361 points

    Hi,

    yoontaek seo said:

    I just found out that AddDeviceIDInformation(), which was included in your ISPP release, is affecting the behavior of HFP audio connection.

    why is that?

    Even if I don't use that function, there would be no problem with ISPP?

    According to apple specifications, the DID profile (SDP set in AddDeviceIDInformation()) is part of the Accessory Interface Specification. Since this issue is related to the ISPP, please send an email to the ti-bt-stack-mfi@list.ti.com and we will discuss the details there.

    Best regards,

    Vihang