diff --git a/zh-cn/device-dev/subsystems/subsys-tel.md b/zh-cn/device-dev/subsystems/subsys-tel.md
new file mode 100644
index 0000000000000000000000000000000000000000..18fb1c222599057d529dbf0547723e8cc8b270e6
--- /dev/null
+++ b/zh-cn/device-dev/subsystems/subsys-tel.md
@@ -0,0 +1,7 @@
+# 电话服务
+
+
+
+- **[电话服务概述](subsys-tel-overview.md)**
+
+- **[电话服务开发指导](subsys-tel-guide.md)**
\ No newline at end of file