<div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Hi Georg,</div><div><br></div><div>Thanks for the quick response.</div><div><br></div><div>You should consider using ofono to connect your phone to the PC. It has all the<br> telephony functions you need and it works well together with PA. See here<br> for a short introduction:<br> <a class="gmail-m_1425047019818682593moz-txt-link-freetext" href="https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Bluetooth/" target="_blank">https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Bluetooth/</a></div><div><br></div><div style="margin-left:40px">I have tried using ofono for connection, but below error is coming continuously when call is initiated<br></div><div style="margin-left:40px"> $ /ofono/test/enable-modem <br><br><div style="margin-left:40px"><span style="font-family:monospace,monospace"><i>Bluetooth: hci0 SCO packet for unknown connection handle 0</i></span></div></div><div style="margin-left:40px"><br></div><div style="margin-left:40px">Below are command used for connection</div><div style="margin-left:40px"><br></div><div style="margin-left:40px">:~# hciconfig hci0 up<br>connected phone using ofono <br><br>~# /ofono/test/enable-modem <br>Connecting modem /hfp/org/bluez/hci0/dev_78_C3_E9_21_1B_0B...<br>:~# hcidump &<br>[1] 4057<br>:~# HCI sniffer - Bluetooth packet analyzer ver 5.49<br>device: hci0 snap_len: 1500 filter: 0xffffffffffffffff<br><br>~# > ACL data: handle 2 flags 0x02 dlen 22<br>L2CAP(d): cid 0x0041 len 18 [psm 0]<br>> ACL data: handle 2 flags 0x02 dlen 19<br>L2CAP(d): cid 0x0041 len 15 [psm 0]<br>< ACL data: handle 2 flags 0x00 dlen 17<br>L2CAP(d): cid 0x0041 len 13 [psm 0]<br>< HCI Command: Exit Sniff Mode (0x02|0x0004) plen 2<br>handle 2<br>> HCI Event: Command Status (0x0f) plen 4<br>Exit Sniff Mode (0x02|0x0004) status 0x00 ncmd 1<br>> ACL data: handle 2 flags 0x02 dlen 22<br>L2CAP(d): cid 0x0041 len 18 [psm 0]<br>> HCI Event: Mode Change (0x14) plen 6<br>status 0x00 handle 2 mode 0x00 interval 0<br>Mode: Active<br>> ACL data: handle 2 flags 0x02 dlen 22<br>L2CAP(d): cid 0x0041 len 18 [psm 0]<br>> ACL data: handle 2 flags 0x02 dlen 22<br>L2CAP(d): cid 0x0041 len 18 [psm 0]<br>> HCI Event: Number of Completed Packets (0x13) plen 5<br>handle 2 packets 1<br>> ACL data: handle 2 flags 0x02 dlen 22<br>L2CAP(d): cid 0x0041 len 18 [psm 0]<br>> ACL data: handle 2 flags 0x02 dlen 15<br>L2CAP(d): cid 0x0041 len 11 [psm 0]<br>< ACL data: handle 2 flags 0x00 dlen 16<br>L2CAP(d): cid 0x0041 len 12 [psm 0]<br>> HCI Event: Number of Completed Packets (0x13) plen 5<br>handle 2 packets 1<br>> HCI Event: Connect Request (0x04) plen 10<br>bdaddr 78:C3:E9:21:1B:0B class 0x000000 type eSCO<br>< HCI Command: Reject Synchronous Connection (0x01|0x002a) plen 7<br>bdaddr 78:C3:E9:21:1B:0B reason 0x0d<br>Reason: Connection Rejected due to Limited Resources<br>> HCI Event: Command Status (0x0f) plen 4<br>Reject Synchronous Connection (0x01|0x002a) status 0x00 ncmd 1<br>> HCI Event: Synchronous Connect Complete (0x2c) plen 17<br>status 0x0d handle 0 bdaddr 78:C3:E9:21:1B:0B type eSCO<br>Error: Connection Rejected due to Limited Resources<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 1<br>> HCI Event: Connect Request (0x04) plen 10<br>bdaddr 78:C3:E9:21:1B:0B class 0x000000 type eSCO<br>< HCI Command: Reject Synchronous Connection (0x01|0x002a) plen 7<br>bdaddr 78:C3:E9:21:1B:0B reason 0x0d<br>Reason: Connection Rejected due to Limited Resources<br>> HCI Event: Command Status (0x0f) plen 4<br>Reject Synchronous Connection (0x01|0x002a) status 0x00 ncmd 1<br>> HCI Event: Synchronous Connect Complete (0x2c) plen 17<br>status 0x0d handle 0 bdaddr 78:C3:E9:21:1B:0B type eSCO<br>Error: Connection Rejected due to Limited Resources<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 5<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 5<br>> ACL data: handle 2 flags 0x02 dlen 36<br>L2CAP(d): cid 0x0041 len 32 [psm 0]<br>> ACL data: handle 2 flags 0x02 dlen 14<br>L2CAP(d): cid 0x0041 len 10 [psm 0]<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 3<br>> HCI Event: Connect Request (0x04) plen 10<br>bdaddr 78:C3:E9:21:1B:0B class 0x000000 type SCO<br>< HCI Command: Reject Synchronous Connection (0x01|0x002a) plen 7<br>bdaddr 78:C3:E9:21:1B:0B reason 0x0d<br>Reason: Connection Rejected due to Limited Resources<br>> HCI Event: Command Status (0x0f) plen 4<br>Reject Synchronous Connection (0x01|0x002a) status 0x00 ncmd 1<br>> HCI Event: Connect Complete (0x03) plen 11<br>status 0x0d handle 0 bdaddr 78:C3:E9:21:1B:0B type SCO encrypt 0x01<br>Error: Connection Rejected due to Limited Resources<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 5<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 3<br>> HCI Event: Connect Request (0x04) plen 10<br>bdaddr 78:C3:E9:21:1B:0B class 0x000000 type SCO<br>< HCI Command: Reject Synchronous Connection (0x01|0x002a) plen 7<br>bdaddr 78:C3:E9:21:1B:0B reason 0x0d<br>Reason: Connection Rejected due to Limited Resources<br>> HCI Event: Command Status (0x0f) plen 4<br>Reject Synchronous Connection (0x01|0x002a) status 0x00 ncmd 1<br>> HCI Event: Connect Complete (0x03) plen 11<br>status 0x0d handle 0 bdaddr 78:C3:E9:21:1B:0B type SCO encrypt 0x01<br>Error: Connection Rejected due to Limited Resources<br>> HCI Event: Max Slots Change (0x1b) plen 3<br>handle 2 slots 5<br>> HCI Event: Mode Change (0x14) plen 6<br>status 0x00 handle 2 mode 0x02 interval 800<br>Mode: Sniff<br>> HCI Event: Sniff Subrate (0x2e) plen 11<br>status 0x00 handle 2<br>max latency transmit 800 receive 800<br>min timeout remote 0 local 2<br><br>Then connected with phone using bluetoothctl and then enabled modem on ofono using command <br></div><div><br></div><div>This looks like an error from the bluetooth stack, probably pulseaudio<br> cannot correct it. I experienced problems with some Bluetooth dongles,<br> have you tried another one?</div><div style="margin-left:40px">I havent tried with other module, The Module which i am using is QCA6174A, which will support HFP profile as per documents. <br></div><div style="margin-left:40px">Do we need to route SCO audio as mentioned on section 5.0 in <a href="https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Bluetooth/">https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Bluetooth ?</a><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 22, 2019 at 12:19 PM Georg Chini <<a href="mailto:georg@chini.tk">georg@chini.tk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div bgcolor="#FFFFFF"> <div class="gmail-m_1425047019818682593moz-cite-prefix">On 22.03.19 05:33, Mohammed Sha wrote:<br> </div> <blockquote type="cite"> <div dir="ltr"> <div dir="ltr"> <p>Hi All,</p> <p> I am attempting to implement hands-free telephony on my board, I successfully connected my android phone to the board via bluetooth module in phone and media audio sharing mode.<br> </p> </div> </div> </blockquote> <p><br> </p> <p>You should consider using ofono to connect your phone to the PC. It has all the<br> telephony functions you need and it works well together with PA. See here<br> for a short introduction:<br> <a class="gmail-m_1425047019818682593moz-txt-link-freetext" href="https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Bluetooth/" target="_blank">https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Bluetooth/</a><br> </p> <p><br> </p> <blockquote type="cite"> <div dir="ltr"> <div dir="ltr"> <p> I was able to play media files via bluetooth by this. But when a call connected the bluetooth speaker works properly, i.e. I can hear what is said on the Mobile Phone, but audio is not transmitted from Board to Mobile Phone is not heard ( I guess there is some error in getting the data from mic or in transmitting data from bluetooth device). I get the following log message keeps appearing many times as soon as a call is initiated </p> <pre class="gmail-m_1425047019818682593m_-6614994200275467248gmail-default gmail-m_1425047019818682593m_-6614994200275467248gmail-prettyprint gmail-m_1425047019818682593m_-6614994200275467248gmail-prettyprinted"><code><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-str">"***Bluetooth: hci0 SCO packet for unknown connection handle 0*** ***Bluetooth: hci0 sending frame failed (-27)*** ***Bluetooth: hci0 sending frame failed (-27)***"</span></code></pre> </div> </div> </blockquote> <p><br> </p> <p>This looks like an error from the bluetooth stack, probably pulseaudio<br> cannot correct it. I experienced problems with some Bluetooth dongles,<br> have you tried another one?<br> </p> <p><br> </p> <blockquote type="cite"> <div dir="ltr"> <div dir="ltr"> <p>The microphone on the phone is also not functioning(after bluetooth connection is established). Also in <code>*hciconfig -a*</code> it is found as follows</p> <pre class="gmail-m_1425047019818682593m_-6614994200275467248gmail-default gmail-m_1425047019818682593m_-6614994200275467248gmail-prettyprint gmail-m_1425047019818682593m_-6614994200275467248gmail-prettyprinted"><code><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln">hci0</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Type</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Primary</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Bus</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> USB BD </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Address</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">00</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0E</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">8E</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">76</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">00</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">55</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> ACL MTU</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">1024</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">8</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> SCO MTU</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">50</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">8</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> UP RUNNING PSCAN RX bytes</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">810924</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> acl</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">982</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> sco</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">18885</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> events</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">670</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> errors</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">**</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln">TX bytes</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">528349</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> acl</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">530</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> sco</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">10271</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> commands</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">108</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> errors</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">111</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">**</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Features</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0xff</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0xfe</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x8f</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0xfe</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0xd8</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x3f</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x5b</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x87</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Packet</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> type</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Link</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> policy</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> RSWITCH HOLD SNIFF </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Link</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> mode</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> SLAVE ACCEPT </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Name</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> mydevice </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Class</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x2c041c</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Service</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Classes</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Rendering</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">,</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Capturing</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">,</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Audio</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Device</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Class</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Audio</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">/</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Video</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">,</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Portable</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Audio</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> HCI </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Version</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">4.2</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">(</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x8</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">)</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Revision</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x0</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> LMP </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Version</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">4.2</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">(</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x8</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">)</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Subversion</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-lit">0x25a</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Manufacturer</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pun">:</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-typ">Qualcomm</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> </span></code></pre> <p>How can I solve this and implement proper hands-free telephony?</p> The Bluetooth device is connected via USB interface, Below is the device package configuration,</div> <div style="margin-left:40px"><font size="1">pulseaudio --version<br> </font></div> <div dir="ltr"> <p style="margin-left:40px"><font size="1">pulseaudio 11.1<br> bluetoothctl --version<br> bluetoothctl: 5.49<br> <br> ofonod --version<br> 1.22</font><br> </p> <p>The steps I followed to setup connection are as follows</p> <pre class="gmail-m_1425047019818682593m_-6614994200275467248gmail-default gmail-m_1425047019818682593m_-6614994200275467248gmail-prettyprint gmail-m_1425047019818682593m_-6614994200275467248gmail-prettyprinted"><code><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> $ hciconfig hci0 up $ pactl list sources </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-kwd">short</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> $ pactl list sinks </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-kwd">short</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> $ bluetoothctl agent on scan on scan off pair </span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-str"><address></span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-pln"> connect</span><span class="gmail-m_1425047019818682593m_-6614994200275467248gmail-str"><address> </span></code></pre> <div><br> -- <br> <div dir="ltr" class="gmail-m_1425047019818682593m_-6614994200275467248gmail_signature"> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"><span style="background-color:rgb(243,243,243)"><span style="font-family:comic sans ms,sans-serif"><font size="2">Thanks & Regards<br> <b>Mohammed Sha Ebrahim</b><br> VVDN Technologies Pvt.Ltd<br> </font></span></span></div> <div><span style="background-color:rgb(243,243,243)"><span style="font-family:comic sans ms,sans-serif"><font size="2"><br> </font></span></span></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </blockquote> <br> </div> </blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><span style="background-color:rgb(243,243,243)"><span style="font-family:comic sans ms,sans-serif"><font size="2">Thanks & Regards<br><b>Mohammed Sha Ebrahim</b><br>VVDN Technologies Pvt.Ltd<br></font></span></span></div><div><span style="background-color:rgb(243,243,243)"><span style="font-family:comic sans ms,sans-serif"><font size="2"><br></font></span></span></div></div></div></div></div></div></div></div></div></div></div></div>