My situation:

  • Android (4.0.3) tab hooked up to my car stereo using the headphones connector.
  • Android (2.3.5) phone (HTC Desire HD), which I use to call, text, browse, etc.

Since my car stereo's Bluetooth device died I thought I could use the Android tab as a audio relay device. Problem is: the tab has no Bluetooth. It has wifi though.

Is there any way to use an Android device as a handsfree adapter over wifi? Some kind of wifi relay between the phone and the tablet, perhaps?

  • Am I right that you basically want to make phone calls from you tablet that are relayed to you smartphone?
    – Flow
    Jun 10 '12 at 16:07
  • I think he wants to connect to the tablet using Wi-Fi, and control the tablet (music choice, volume, etc) as if it were the bluetooth head-end of a stereo. So the tablet plays the music, but the phone controls the tablet's audio. Jun 12 '12 at 1:19
  • no. both wrong. I want to make a phone call with my phone, but in my country it is illegal to hold your phone at ear height. That is why I had a car stereo with bluetooth, so I can hear the person I am talking to over my car speakers.
    – spambas
    Jun 12 '12 at 9:55
  • EDIT: I need to replace that function and I already have a tab in my car directly connected to my stereo. I want my outgoing audio from my phone over wifi to my tab. phone-> wifi -> tab -> cable -> car stereo. If I can dial from my tab that would be an extra.
    – spambas
    Jun 12 '12 at 10:04

Does the tab has USB port. How about adding an external custom BT device. BT device talks to android app on tab via any serial library for example scm (http://www.embeddedunveiled.com/scm-wiki).

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