diff --git a/src/com/android/phone/CallFeaturesSetting.java b/src/com/android/phone/CallFeaturesSetting.java
index 8da980c..fd85585 100644
--- a/src/com/android/phone/CallFeaturesSetting.java
+++ b/src/com/android/phone/CallFeaturesSetting.java
@@ -281,7 +281,9 @@
                         addPreferencesFromResource(R.xml.cdma_call_privacy);
                     }
                 } else if (phoneType == PhoneConstants.PHONE_TYPE_GSM) {
-
+                    if (mPhone.getIccCard() == null || !mPhone.getIccCard().getIccFdnAvailable()) {
+                        prefSet.removePreference(fdnButton);
+                    }
                     if (carrierConfig.getBoolean(
                             CarrierConfigManager.KEY_ADDITIONAL_CALL_SETTING_BOOL)) {
                         addPreferencesFromResource(R.xml.gsm_umts_call_options);