diff --git a/pySim/ts_31_102.py b/pySim/ts_31_102.py
index e68866c..4d1c3dc 100644
--- a/pySim/ts_31_102.py
+++ b/pySim/ts_31_102.py
@@ -1152,12 +1152,12 @@
             EF_ECC(),
             EF_CBMIR(service=16),
             EF_PSLOCI(),
-            EF_ADN('6f3b', None, 'EF.FDN', 'Fixed Dialling Numbers', service=[2, 89]),
+            EF_ADN('6f3b', None, 'EF.FDN', 'Fixed Dialling Numbers', service=[2, 89], ext=2),
             EF_SMS('6f3c', None, service=10),
             EF_MSISDN(service=21),
             EF_SMSP(service=12),
             EF_SMSS(service=10),
-            EF_ADN('6f49', None, 'EF.SDN', 'Service Dialling Numbers', service=[4, 89]),
+            EF_ADN('6f49', None, 'EF.SDN', 'Service Dialling Numbers', service=[4, 89], ext=3),
             EF_EXT('6f4b', None, 'EF.EXT2', 'Extension2 (FDN)', service=3),
             EF_EXT('6f4c', None, 'EF.EXT3', 'Extension2 (SDN)', service=5),
             EF_SMSR(service=11),
@@ -1170,7 +1170,7 @@
             EF_eMLPP(service=24),
             EF_AAeM(service=25),
             # EF_Hiddenkey
-            EF_ADN('6f4d', None, 'EF.BDN', 'Barred Dialling Numbers', service=6),
+            EF_ADN('6f4d', None, 'EF.BDN', 'Barred Dialling Numbers', service=6, ext=4),
             EF_EXT('6f55', None, 'EF.EXT4', 'Extension4 (BDN/SSC)', service=7),
             EF_CMI(service=6),
             EF_EST(service=[2, 6, 34, 35]),
@@ -1186,11 +1186,11 @@
             TransparentEF('6fc4', None, 'EF.NETPAR', 'Network Parameters'),
             EF_PNN('6fc5', 0x19, service=45),
             EF_OPL(service=46),
-            EF_ADN('6fc7', None, 'EF.MBDN', 'Mailbox Dialling Numbers', service=47),
+            EF_ADN('6fc7', None, 'EF.MBDN', 'Mailbox Dialling Numbers', service=47, ext=6),
             EF_EXT('6fc8', None, 'EF.EXT6', 'Extension6 (MBDN)'),
             EF_MBI(service=47),
             EF_MWIS(service=48),
-            EF_ADN('6fcb', None, 'EF.CFIS', 'Call Forwarding Indication Status', service=49),
+            EF_ADN('6fcb', None, 'EF.CFIS', 'Call Forwarding Indication Status', service=49, ext=7),
             EF_EXT('6fcc', None, 'EF.EXT7', 'Extension7 (CFIS)'),
             TransparentEF('6fcd', None, 'EF.SPDI', 'Service Provider Display Information', service=51),
             EF_MMSN(service=52),