Hi Frédéric, On 03/13/2012 09:33 AM, Frédéric Danis wrote: > AT+CHLD=1x should only hangup active call > --- > src/callmanager.cpp | 38 ++++++++++++++++++++++++-------------- > 1 files changed, 24 insertions(+), 14 deletions(-) > What are you trying to fix here? Phonesim models the behavior of an 'ideal' modem which can hangup any call using release_specific. Plenty of modems exhibit this behavior via vendor specific AT commands, so if this is related to HFP emulation then we probably need to do something else. Regards, -Denis