Hi Vinicius,

> diff --git a/plugins/phonesim.c b/plugins/phonesim.c
> index 26f96d0..9210e02 100644
> --- a/plugins/phonesim.c
> +++ b/plugins/phonesim.c
> @@ -929,8 +929,8 @@ static int localhfp_enable(struct ofono_modem *modem)
>
>   	g_at_chat_set_disconnect_function(chat, slc_failed, modem);
>
> -	hfp_slc_info_init(info, HFP_VERSION_LATEST);
> -	info->chat = chat;
> +	info = hfp_slc_info_init(chat, HFP_VERSION_LATEST);
> +	g_at_chat_unref(chat);
>   	hfp_slc_establish(info, slc_established, slc_failed, modem);
>
>   	return -EINPROGRESS;

This part makes no sense.  I refer you to localhfp_probe() function. 
Are you testing any of your changes?

Regards,
-Denis