diff --git a/scripts/config/ivas_modes.json b/scripts/config/ivas_modes.json
index a2adaa4ccf89ecb49200c245aa23c066ad78401e..0e4ef469d9ec36a97c513394609921375f57d1f9 100644
--- a/scripts/config/ivas_modes.json
+++ b/scripts/config/ivas_modes.json
@@ -1968,6 +1968,68 @@
                     256000
                 ]
             }
+        },
+        "ISM2_b{bitrate}_dtx_{bandwidth}_cbr": {
+            "encmodeoption": [
+                "-dtx",
+                "-ism",
+                "2"
+            ],
+            "encoptions": [
+                "-max_band",
+                "{bandwidth}"
+            ],
+            "dec": {
+                "EXT": []
+            },
+            "in_config": "ISM2",
+            "table_name": "ISM2@{table_bitrate} kbps DTX {bandwidth}",
+            "nummetadata": 2,
+            "metadatafilenames": [
+                "test_ISM_trajectory{mdi}.csv"
+            ],
+            "rs": false,
+            "amr": false,
+            "mono": false,
+            "bitrates": {
+                "wb": [
+                    16400,
+                    24400,
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000
+                ],
+                "swb": [
+                    16400,
+                    24400,
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000
+                ],
+                "fb": [
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000
+                ]
+            }
         }
     },
     "ISM3": {
@@ -2058,14 +2120,41 @@
             "bitrates": {
                 "wb": [
                     24400,
-                    32000
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000,
+					384000
                 ],
                 "swb": [
                     24400,
-                    32000
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000,
+					384000
                 ],
                 "fb": [
-                    32000
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000,
+					384000
                 ]
             }
         }
@@ -2161,14 +2250,44 @@
             "bitrates": {
                 "wb": [
                     24400,
-                    32000
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000,
+					384000,
+					512000
                 ],
                 "swb": [
                     24400,
-                    32000
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000,
+					384000,
+					512000
                 ],
                 "fb": [
-                    32000
+                    32000,
+                    48000,
+                    64000,
+                    80000,
+                    96000,
+                    128000,
+                    160000,
+                    192000,
+                    256000,
+					384000,
+					512000
                 ]
             }
         }