exten => _1XX,1,NoOp(Call Attempt from csr queue to ${EXTEN})
 exten => _1XX,2,Set(TRANSFER_CONTEXT=from-sip)
 exten => _1XX,3,Set(GROUP()=${EXTEN})
 exten => _1XX,4,GotoIf($[ ${GROUP_COUNT()} > 1 ]?103)
 exten => _1XX,5,Set(CALLERID(name)=CSR: ${CALLERIDNAME})
 exten => _1XX,6,Dial(Sip/${EXTEN}|12|tT)
 exten => _1XX,103,NoOp(Call to csr ${EXTEN} but csr was busy)

 exten => _1XX,104,Hangup
 exten => _1XX,7,Busy(1)
 exten => _1XX,8,Hangup
 ;exten => _1XX,105,Hangup

 exten => t,1,NoOp(Timeout on ${EXTEN})
 exten => t,2,Hangup

 exten => h,1,NoOp(Hangup from csr-acd)
 exten => h,2,Hangup

 exten => o,1,NoOp(Opertor o chose fromo csr-acd)
 exten => o,2,Hangup

 exten => i,1,NoOp(Invalid from csr-acd)
 exten => i,2,Hangup