Something

Below is the SQL dump from the "extensions" table

+----+---------------+-------+----------+----------+---------+
| id | context       | exten | priority | app      | appdata |
+----+---------------+-------+----------+----------+---------+
|  1 | macro-dialext | s     |        1 | Wait     | 3       | 
|  2 | macro-dialext | s     |        2 | SendDTMF | ${ARG1} | 
|  3 | macro-dialext | s     |        3 | Ringing  |         | 
+----+---------------+-------+----------+----------+---------+

; extconfig.conf
[settings]
extensions => mysql,asterisk,extensions

; extensions.conf
[macro-dialext]
switch => Realtime/macro-dialext@extensions