Verify README links

Author: leggetter

README.md

@@ -33,7 +33,9 @@ For some of the examples you will need to [buy a number](https://dashboard.nexmo
 
 | Code Sample |
 | ---------------------------------------- |
-| TODO |
+| Send Phone Verification Code | [verify/request.php] |
+| Check Phone Verification Code | [verify/verify.php] |
+| Cancel Phone Verification | [verify/cancel.php] |