diff --git a/engine/NamedList.cpp b/engine/NamedList.cpp
index 4dcb660e..663639ac 100644
--- a/engine/NamedList.cpp
+++ b/engine/NamedList.cpp
@@ -216,6 +216,19 @@ NamedList& NamedList::copySubParams(const NamedList& original, const String& pre
     return *this;
 }
 
+bool NamedList::hasSubParams(const char* prefix) const
+{
+    XDebug(DebugInfo,"NamedList::hasSubParams(\"%s\") [%p]",prefix,this);
+    if (!TelEngine::null(prefix)) {
+	for (const ObjList* l = m_params.skipNull(); l; l = l->skipNext()) {
+	    const NamedString* s = static_cast<const NamedString*>(l->get());
+	    if (s->name().startsWith(prefix))
+		return true;
+	}
+    }
+    return false;
+}
+
 void NamedList::dump(String& str, const char* separator, char quote, bool force) const
 {
     if (force && str.null())
diff --git a/yateclass.h b/yateclass.h
index 47394a3f..52482cae 100644
--- a/yateclass.h
+++ b/yateclass.h
@@ -3799,6 +3799,13 @@ public:
      */
     NamedList& copySubParams(const NamedList& original, const String& prefix, bool skipPrefix = true);
 
+    /**
+     * Check if we have a parameter that starts with prefix
+     * @param prefix Prefix to match in parameter name, must not be NULL
+     * @return True if a parameter starts with prefix
+     */
+    bool hasSubParams(const char* prefix) const;
+
     /**
      * Get the index of a named string in the parameter list.
      * @param param Pointer to the parameter to locate