diff --git a/index.js b/index.js
index 1e1922c..def2f97 100644
--- a/index.js
+++ b/index.js
@@ -38,4 +38,15 @@ module.exports = {
     }
   },
 
+  name2port(name='') {
+    return name
+      .replace(/[abc]/g, 2)
+      .replace(/[def]/g, 3)
+      .replace(/[ghi]/g, 4)
+      .replace(/[jkl]/g, 5)
+      .replace(/[mno]/g, 6)
+      .replace(/[pqrs]/g, 7)
+      .replace(/[tuv]/g, 8)
+      .replace(/[wxyz]/g, 9)
+  }
 }
\ No newline at end of file