https://devzone.nordicsemi.com/f/nordic-q-a/15387/hvx-indication-works-only-onceHey, I got 2 beacons which I have connected via BLE successfully however I have some problems with BLE_GATTC_EVT_HVX event. Every time I get only one BLE_GATTC_EVT_HVX event on client side. I am sure that server side changes characteristic more timesen-USTelligent Community 13Thu, 28 Jul 2016 11:53:31 GMThttps://devzone.nordicsemi.com/thread/58762?ContentTypeID=1Thu, 28 Jul 2016 11:53:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5f181f48-8f1f-4a63-9674-dab1c4f23947Hung Bui<p>@Albundy: Glad that you found the issue. One of the main difference between indication and notification is that the peer device have to confirm that it receives the indication packet. No more indication can be sent before the previous one has not been confirmed.</p><div style="clear:both;"></div>