https://devzone.nordicsemi.com/f/nordic-q-a/21768/ancs-problemi tried add ancs to my project based on s132 ble_app_hrs demo， when i use iphone6 to connect， the uart display as follow，but when i receive a message or a call， the software can not receive ant notify， i have review the code for several time，i don&#39;t knowen-USTelligent Community 13Thu, 04 May 2017 01:01:31 GMThttps://devzone.nordicsemi.com/thread/85469?ContentTypeID=1Thu, 04 May 2017 01:01:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d661f9fb-8fb7-4a9f-a3f3-07675a423d3bSundy<p>Hi Hung Bui,</p> <p>thank you, i know the reason, i just connect bt, but not pair, ancs need pair.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/85468?ContentTypeID=1Wed, 03 May 2017 14:17:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:543fc680-86de-49e1-b379-4eb6c53e1d85Hung Bui<p>Hi Sundy,</p> <p>Have you tried to test with ANCS_C example in the SDK ? Please test with that example and take a screenshot when you connected to the phone. Have you seen pop up asked for pairing ?</p><div style="clear:both;"></div>