IVR system invokes an http request when some digit pressed

I need the IVR system invokes an http request when some digit pressed. Http request is to another application on another server. How can I perform this? Can you help me?

gavrilenko: create a custom destination to some custom dialplan, including the app system(/path/to/code/to/exectute). For more info on custom dilaplans, see here

the custom dialplan link is broken…

I fixed his link for you. It had a extra character at the end.

Thank you. This is usefull link