Rubens,
What firmware are you using in your unit? Do you see the unsolicited responses with regards a connection coming through? below is an example of a basic connection.
rst
Melody Smart v3.7.4
BlueCreation Copyright 2012 - 2015
www.bluecreation.com
READY
CON=OK 56C5F6878B80 1 //Phone connected to unit
CONP=0027 0000 07D0
DCN=CF
CON=OK 56C5F6878B80 1
CONP=0027 0000 07D0
CONP=0010 0000 04E2
CONP=0006 0000 07D0
CONP=0010 0000 04E2
CONP=0027 0000 07D0
DCFG=NOT
RCV=abc //Send data from phone app to BC118
snd 123 //Sent data from BC118 to phone app
OKRegards
Matt