diff --git a/analyzer/ras-data/data/ras-data-p10-10.json b/analyzer/ras-data/data/ras-data-p10-10.json
index 8bc89bc..e0303ae 100644
--- a/analyzer/ras-data/data/ras-data-p10-10.json
+++ b/analyzer/ras-data/data/ras-data-p10-10.json
@@ -59,11 +59,11 @@
         "pau7": [ { "type": "callout_unit", "name": "pau7", "priority": "MED", "guard": true } ],
 
         "rcs_osc_error_0": [
-            { "type": "callout_clock", "position": 0, "priority": "HIGH", "guard": true },
+            { "type": "callout_clock", "name": "OSC_REF_CLOCK_0", "priority": "HIGH", "guard": true },
             { "type": "action", "name": "self_L" }
         ],
         "rcs_osc_error_1": [
-            { "type": "callout_clock", "position": 1, "priority": "HIGH", "guard": true },
+            { "type": "callout_clock", "name": "OSC_REF_CLOCK_1", "priority": "HIGH", "guard": true },
             { "type": "action", "name": "self_L" }
         ],
         "pll_unlock_0": [
diff --git a/analyzer/ras-data/data/ras-data-p10-20.json b/analyzer/ras-data/data/ras-data-p10-20.json
index 1295ba5..7ae692b 100644
--- a/analyzer/ras-data/data/ras-data-p10-20.json
+++ b/analyzer/ras-data/data/ras-data-p10-20.json
@@ -59,11 +59,11 @@
         "pau7": [ { "type": "callout_unit", "name": "pau7", "priority": "MED", "guard": true } ],
 
         "rcs_osc_error_0": [
-            { "type": "callout_clock", "position": 0, "priority": "HIGH", "guard": true },
+            { "type": "callout_clock", "name": "OSC_REF_CLOCK_0", "priority": "HIGH", "guard": true },
             { "type": "action", "name": "self_L" }
         ],
         "rcs_osc_error_1": [
-            { "type": "callout_clock", "position": 1, "priority": "HIGH", "guard": true },
+            { "type": "callout_clock", "name": "OSC_REF_CLOCK_1", "priority": "HIGH", "guard": true },
             { "type": "action", "name": "self_L" }
         ],
         "pll_unlock_0": [
diff --git a/analyzer/ras-data/ras-data-definition.md b/analyzer/ras-data/ras-data-definition.md
index 6603494..2538230 100644
--- a/analyzer/ras-data/ras-data-definition.md
+++ b/analyzer/ras-data/ras-data-definition.md
@@ -169,10 +169,17 @@
 | Keyword  | Description                                                       |
 |----------|-------------------------------------------------------------------|
 | type     | value (string): `callout_clock`                                   |
-| position | value (integer): 0 or 1                                           |
+| name     | See `clock type` table below.                                     |
 | priority | See `priority` table above.                                       |
 | guard    | See `guard` table above.                                          |
 
+Supported clock types:
+
+| Clock Type      | Description                                                |
+|-----------------|------------------------------------------------------------|
+| OSC_REF_CLOCK_0 | Oscillator reference clock 0                               |
+| OSC_REF_CLOCK_1 | Oscillator reference clock 1                               |
+
 #### 5.1.7) action type `callout_procedure`
 
 This will request to callout a service procedure.
@@ -180,7 +187,7 @@
 | Keyword  | Description                                                       |
 |----------|-------------------------------------------------------------------|
 | type     | value (string): `callout_procedure`                               |
-| name     | The `procedures` table below.                                     |
+| name     | See `procedures` table below.                                     |
 | priority | See `priority` table above.                                       |
 
 Supported procedures:
@@ -197,7 +204,7 @@
 | Keyword  | Description                                                       |
 |----------|-------------------------------------------------------------------|
 | type     | value (string): `callout_part`                                    |
-| name     | The `parts` table below.                                          |
+| name     | See `parts` table below.                                          |
 | priority | See `priority` table above.                                       |
 
 Supported parts:
diff --git a/analyzer/ras-data/ras-data-parser.cpp b/analyzer/ras-data/ras-data-parser.cpp
index 559a947..d59c289 100644
--- a/analyzer/ras-data/ras-data-parser.cpp
+++ b/analyzer/ras-data/ras-data-parser.cpp
@@ -185,13 +185,20 @@
         }
         else if ("callout_clock" == type)
         {
-            auto position = a.at("position").get<unsigned int>();
+            auto name     = a.at("name").get<std::string>();
             auto priority = a.at("priority").get<std::string>();
             auto guard    = a.at("guard").get<bool>();
 
-            // TODO
-            trace::inf("callout_clock: position=%u priority=%s guard=%c",
-                       position, priority.c_str(), guard ? 'T' : 'F');
+            // clang-format off
+            static const std::map<std::string, callout::ClockType> m =
+            {
+                {"OSC_REF_CLOCK_0", callout::ClockType::OSC_REF_CLOCK_0},
+                {"OSC_REF_CLOCK_1", callout::ClockType::OSC_REF_CLOCK_1},
+            };
+            // clang-format on
+
+            o_list->push(std::make_shared<ClockCalloutResolution>(
+                m.at(name), getPriority(priority), guard));
         }
         else if ("callout_procedure" == type)
         {
diff --git a/analyzer/ras-data/schema/ras-data-schema-v01.json b/analyzer/ras-data/schema/ras-data-schema-v01.json
index 05f18cc..9ec7150 100644
--- a/analyzer/ras-data/schema/ras-data-schema-v01.json
+++ b/analyzer/ras-data/schema/ras-data-schema-v01.json
@@ -158,13 +158,13 @@
                                     }
                                 },
                                 "then": {
-                                    "required": [ "priority", "guard", "position" ],
-                                    "not": { "required": [ "name" ] },
+                                    "required": [ "name", "priority", "guard" ],
                                     "properties": {
-                                        "position": {
-                                            "type": "integer",
-                                            "minimum": 0,
-                                            "maximum": 1
+                                        "name": {
+                                            "enum": [
+                                                "OSC_REF_CLOCK_0",
+                                                "OSC_REF_CLOCK_1"
+                                            ]
                                         }
                                     }
                                 }