boolean canDial() {
boolean ret;
int serviceState = mPhone.getServiceState().getState();
String disableCall = SystemProperties.get(TelephonyProperties.PROPERTY_DISABLE_CALL, "false");
ret =
(serviceState != ServiceState.STATE_POWER_OFF)
&& mPendingMO == null
&& !mRingingCall.isRinging()
&& !disableCall.equals("true")
&& (!mForegroundCall.getState().isAlive() || !mBackgroundCall.getState().isAlive());
return ret;
}
