--- a/NEWS	Wed Aug 19 14:11:33 2026 +0200
+++ b/NEWS	Thu Aug 20 17:24:07 2026 +0200
@@ -1,6 +1,11 @@
 Pending changes in the mainline
 ===============================
 
+Plugin SDK
+----------
+
+* Added OrthancPluginGetInstanceCalledAet() and OrthancPluginGetInstanceRemoteIp()
+
 
 Version 1.13.0 (2026-08-15)
 ===========================

--- a/OrthancServer/Plugins/Engine/OrthancPlugins.cpp	Wed Aug 19 14:11:33 2026 +0200
+++ b/OrthancServer/Plugins/Engine/OrthancPlugins.cpp	Thu Aug 20 17:24:07 2026 +0200
@@ -3836,6 +3836,15 @@
         *p.resultString = instance.GetOrigin().GetRemoteAetC();
         return;
 
+      case _OrthancPluginService_GetInstanceCalledAet:
+        *p.resultString = instance.GetOrigin().GetCalledAetC();
+        return;
+
+
+      case _OrthancPluginService_GetInstanceRemoteIp:
+        *p.resultString = instance.GetOrigin().GetRemoteIpC();
+        return;
+
       case _OrthancPluginService_GetInstanceSize:
         *p.resultInt64 = static_cast<int64_t>(instance.GetBufferSize());
         return;
@@ -5439,6 +5448,8 @@
         return true;
 
       case _OrthancPluginService_GetInstanceRemoteAet:
+      case _OrthancPluginService_GetInstanceCalledAet:
+      case _OrthancPluginService_GetInstanceRemoteIp:
       case _OrthancPluginService_GetInstanceSize:
       case _OrthancPluginService_GetInstanceData:
       case _OrthancPluginService_GetInstanceJson:

--- a/OrthancServer/Plugins/Include/orthanc/OrthancCPlugin.h	Wed Aug 19 14:11:33 2026 +0200
+++ b/OrthancServer/Plugins/Include/orthanc/OrthancCPlugin.h	Thu Aug 20 17:24:07 2026 +0200
@@ -126,7 +126,7 @@
 
 #define ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER     1
 #define ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER     13
-#define ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER  0
+#define ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER  1
 
 
 #if !defined(ORTHANC_PLUGINS_VERSION_IS_ABOVE)
@@ -618,6 +618,8 @@
     _OrthancPluginService_GetInstanceDicomWebJson = 4018,  /* New in Orthanc 1.7.0 */
     _OrthancPluginService_GetInstanceDicomWebXml = 4019,   /* New in Orthanc 1.7.0 */
     _OrthancPluginService_LoadDicomInstance = 4020,        /* New in Orthanc 1.12.1 */
+    _OrthancPluginService_GetInstanceCalledAet = 4021,     /* New in Orthanc 1.13.1 */
+    _OrthancPluginService_GetInstanceRemoteIp = 4022,      /* New in Orthanc 1.13.1 */
 
     /* Services for plugins implementing a database back-end */
     _OrthancPluginService_RegisterDatabaseBackend = 5000,    /* New in Orthanc 0.8.6 */
@@ -3397,6 +3399,75 @@
 
 
   /**
+   * @brief Get the Called AET of a DICOM instance.
+   *
+   * This function returns the Called Application Entity Title (AET) that
+   * was used when this instance was sent to Orthanc.
+   *
+   * @param context The Orthanc plugin context, as received by OrthancPluginInitialize().
+   * @param instance The instance of interest.
+   * @return The AET if success, NULL if error.
+   * @ingroup DicomInstance
+   **/
+   ORTHANC_PLUGIN_SINCE_SDK("1.13.1")
+   ORTHANC_PLUGIN_INLINE const char* OrthancPluginGetInstanceCalledAet(
+    OrthancPluginContext*              context,
+    const OrthancPluginDicomInstance*  instance)
+  {
+    const char* result;
+
+    _OrthancPluginAccessDicomInstance params;
+    memset(&params, 0, sizeof(params));
+    params.resultString = &result;
+    params.instance = instance;
+
+    if (context->InvokeService(context, _OrthancPluginService_GetInstanceCalledAet, &params) != OrthancPluginErrorCode_Success)
+    {
+      /* Error */
+      return NULL;
+    }
+    else
+    {
+      return result;
+    }
+  }
+
+
+  /**
+   * @brief Get the Remote IP of a DICOM instance.
+   *
+   * This function returns the IP of the modality that has sent this instance to Orthanc.
+   *
+   * @param context The Orthanc plugin context, as received by OrthancPluginInitialize().
+   * @param instance The instance of interest.
+   * @return The AET if success, NULL if error.
+   * @ingroup DicomInstance
+   **/
+   ORTHANC_PLUGIN_SINCE_SDK("1.13.1")
+   ORTHANC_PLUGIN_INLINE const char* OrthancPluginGetInstanceRemoteIp(
+    OrthancPluginContext*              context,
+    const OrthancPluginDicomInstance*  instance)
+  {
+    const char* result;
+
+    _OrthancPluginAccessDicomInstance params;
+    memset(&params, 0, sizeof(params));
+    params.resultString = &result;
+    params.instance = instance;
+
+    if (context->InvokeService(context, _OrthancPluginService_GetInstanceRemoteIp, &params) != OrthancPluginErrorCode_Success)
+    {
+      /* Error */
+      return NULL;
+    }
+    else
+    {
+      return result;
+    }
+  }
+
+
+  /**
    * @brief Get the size of a DICOM file.
    *
    * This function returns the number of bytes of the given DICOM instance.

--- a/OrthancServer/Plugins/Include/orthanc/OrthancPluginCodeModel.json	Wed Aug 19 14:11:33 2026 +0200
+++ b/OrthancServer/Plugins/Include/orthanc/OrthancPluginCodeModel.json	Thu Aug 20 17:24:07 2026 +0200
@@ -86,6 +86,44 @@
                 },
                 {
                     "args": [],
+                    "c_function": "OrthancPluginGetInstanceCalledAet",
+                    "const": true,
+                    "documentation": {
+                        "args": {},
+                        "description": [
+                            "This function returns the Called Application Entity Title (AET) that was used when this instance was sent to Orthanc."
+                        ],
+                        "return": "The AET if success, NULL if error.",
+                        "summary": "Get the Called AET of a DICOM instance."
+                    },
+                    "return_sdk_type": "const char *",
+                    "since_sdk": [
+                        1,
+                        13,
+                        1
+                    ]
+                },
+                {
+                    "args": [],
+                    "c_function": "OrthancPluginGetInstanceRemoteIp",
+                    "const": true,
+                    "documentation": {
+                        "args": {},
+                        "description": [
+                            "This function returns the IP of the modality that has sent this instance to Orthanc."
+                        ],
+                        "return": "The AET if success, NULL if error.",
+                        "summary": "Get the Remote IP of a DICOM instance."
+                    },
+                    "return_sdk_type": "const char *",
+                    "since_sdk": [
+                        1,
+                        13,
+                        1
+                    ]
+                },
+                {
+                    "args": [],
                     "c_function": "OrthancPluginGetInstanceSize",
                     "const": true,
                     "documentation": {

--- a/OrthancServer/Sources/DicomInstanceOrigin.cpp	Wed Aug 19 14:11:33 2026 +0200
+++ b/OrthancServer/Sources/DicomInstanceOrigin.cpp	Thu Aug 20 17:24:07 2026 +0200
@@ -117,6 +117,30 @@
     }
   }
 
+  const char* DicomInstanceOrigin::GetCalledAetC() const
+  {
+    if (origin_ == RequestOrigin_DicomProtocol)
+    {
+      return dicomCalledAet_.c_str();
+    }
+    else
+    {
+      return "";
+    }
+  }
+
+  const char* DicomInstanceOrigin::GetRemoteIpC() const
+  {
+    if (origin_ == RequestOrigin_DicomProtocol)
+    {
+      return remoteIp_.c_str();
+    }
+    else
+    {
+      return "";
+    }
+  }
+
   bool DicomInstanceOrigin::LookupRemoteAet(std::string& result) const
   {
     if (origin_ == RequestOrigin_DicomProtocol)

--- a/OrthancServer/Sources/DicomInstanceOrigin.h	Wed Aug 19 14:11:33 2026 +0200
+++ b/OrthancServer/Sources/DicomInstanceOrigin.h	Thu Aug 20 17:24:07 2026 +0200
@@ -80,6 +80,10 @@
 
     const char* GetRemoteAetC() const;
 
+    const char* GetCalledAetC() const;
+
+    const char* GetRemoteIpC() const;
+
     bool LookupRemoteAet(std::string& result) const;
 
     bool LookupRemoteIp(std::string& result) const;