https://devzone.nordicsemi.com/f/nordic-q-a/31172/if-i-receive-bluetooth-notify-as-an-indicate-do-i-need-a-separate-settingHello, I am running bluetooth example. I am using the nRF52832 board and SDK 14.0. I modified the multilink example to make a slight modification and connect it to another device BT. Currently, the service of other device is Notify. If I changeen-USTelligent Community 13Tue, 06 Mar 2018 15:10:02 GMThttps://devzone.nordicsemi.com/thread/123111?ContentTypeID=1Tue, 06 Mar 2018 15:10:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:789e81cd-71e4-4a2c-8c31-a89c0c114412Edvin<p>Hello,</p> <p>The software on the peripheral uses indication, then the central will have to behave accordingly. Depending on whether it is the client/central or the server/peripheral that is sending the indication, you can find the flowcharts<span>&nbsp;</span><a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.s132.api.v5.0.0%2Fgroup___b_l_e___g_a_t_t_c___h_v_i___m_s_c.html" rel="noopener noreferrer" target="_blank">here</a><span>&nbsp;</span>and<span>&nbsp;</span><a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.s132.api.v5.0.0%2Fgroup___b_l_e___g_a_t_t_s___h_v_i___m_s_c.html" rel="noopener noreferrer" target="_blank">here</a>.</p> <p></p> <p>So the central has to use the function sd_ble_gattc_hv_confirm(handle) to ACK the pack coming from the peripheral.&nbsp;</p> <p></p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>