it looks like a bug
little patch for this :
Index: A2Billing_UI/Public/form_data/FG_var_callerid.inc
===================================================================
--- A2Billing_UI/Public/form_data/FG_var_callerid.inc (revision 550)
+++ A2Billing_UI/Public/form_data/FG_var_callerid.inc (working copy)
@@ -26,7 +26,7 @@
$HD_Form -> AddViewElement("ACTIVATED", "activated", "25%", "center", "sort", "", "list", $actived_list);
-$HD_Form -> FieldViewElement ('cid, id_cc_card, activated, id_cc_card');
+$HD_Form -> FieldViewElement ('cid, id_cc_card, activated, id');
$HD_Form -> CV_NO_FIELDS = gettext("THERE IS NO ".strtoupper($HD_Form->FG_INSTANCE_NAME)." CREATED!");