Asterisk. Line definition along with incoming number?

Question

Asterisk

The situation is as follows: there is an automatic telephone exchange and 4 lines. Is it possible to make it so that the number of the caller is determined together with the line to which the subscriber called?

Answer 1

exten => _X.,1,NoOp(LINE: ${EXTEN})
    same => n,Set(CALLERID(name)=LINE:${EXTEN}_NUM:${CALLEID(num)})
;    same => n,Set(CALLERID(num)=${EXTEN}-${CALLEID(num)}) ; это в случае если имя не отображается
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