How to change asterisk response text?

Question

Asterisk

Hello.
Upon receiving the error code 503,408 and others, we want to add our own phrase for operators to the standard text.
Please let me know if this is possible and how

Answer 1

in extension after dial add:
goto dial-status|${DIALSTATUS}|1;
and already distribute in the context of dial-status, for example:
BUSY => {PlayBackayBack(busy); };
NOANSWER => {PlayBack(no-answer);};