diff --git a/voxtelesys_integration/doctype/voxtelesys_call_log/voxtelesys_call_log.py b/voxtelesys_integration/doctype/voxtelesys_call_log/voxtelesys_call_log.py
new file mode 100644
index 0000000..1904c19
--- /dev/null
+++ b/voxtelesys_integration/doctype/voxtelesys_call_log/voxtelesys_call_log.py
@@ -0,0 +1,53 @@
+"""
+Voxtelesys Call Log controller.
+"""
+import frappe
+from frappe.model.document import Document
+
+
+class VoxtelesysCallLog(Document):
+    def after_insert(self):
+        self._publish_realtime("call_initiated")
+
+    def on_update(self):
+        prev = self.get_doc_before_save()
+        if prev and prev.status in ("Ringing",) and self.status in (
+            "No Answer", "Completed", "Cancelled", "Failed"
+        ):
+            self._publish_realtime("call_disconnected")
+        if self.status == "No Answer":
+            self._maybe_create_issue()
+
+    def _publish_realtime(self, event_suffix: str):
+        frappe.publish_realtime(
+            f"voxtelesys_{event_suffix}",
+            {
+                "call_log": self.name, "call_sid": self.call_sid,
+                "from": self.from_number, "to": self.to_number,
+                "status": self.status, "direction": self.direction,
+                "start_time": str(self.start_time or ""),
+            },
+        )
+
+    def _maybe_create_issue(self):
+        settings = frappe.get_single("Voxtelesys Settings")
+        if not (settings.enabled and settings.missed_call_create_issue and self.direction == "Inbound"):
+            return
+        if frappe.db.exists("HD Ticket", {"custom_voxtelesys_call_sid": self.call_sid}):
+            return
+        try:
+            ticket = frappe.new_doc("HD Ticket")
+            ticket.subject = f"Missed Call from {self.from_number}"
+            ticket.description = (
+                f"A call from <b>{self.from_number}</b> was missed at "
+                f"{frappe.utils.format_datetime(self.start_time)}.<br>"
+                f"Voxtelesys Call SID: {self.call_sid}"
+            )
+            if settings.default_issue_queue:
+                ticket.priority = settings.default_issue_queue
+            if frappe.db.has_column("HD Ticket", "custom_voxtelesys_call_sid"):
+                ticket.custom_voxtelesys_call_sid = self.call_sid
+            ticket.insert(ignore_permissions=True)
+            frappe.logger().info(f"[Voxtelesys] Auto-created HD Ticket {ticket.name} for missed call {self.call_sid}")
+        except Exception:
+            frappe.log_error(frappe.get_traceback(), "Voxtelesys: Failed to auto-create HD Ticket")
\ No newline at end of file