AEL: 簡易Queue及整合AGI

AEL Script:

//
// Main IVR Scripts
// Author: alang.hsu[AT]gmail.com
//

context from-internal {
    55 => {
            Playback(demo-echotest);
            Echo;
            Playback(demo-echodone);
    }
    1234 => {
            SayUnixTime();
            Hangup();
    }
    300 => Dial(SIP/300,20,t);
    301 => Dial(SIP/301,20,t);
    302 => Dial(SIP/302,20,t);
    //391 => Dial(SIP/391);  //** this line is only used for debugging ** 
    //392 => Dial(SIP/392);  //** this line is only used for debugging **
    _0. => {
            DIAL(SIP/${EXTEN}@faktortel);
            Congestion();
    }
    h => Hangup();
    includes {
               ael_queue-loginout;
        }
}

context ael_ivr-from-trunk {
    _X. => {
             Set(FROM_DID=${EXTEN});
             Set(CDR(accountcode)=${EXTEN});
             Set(CALLERID(name)=${SIP_HEADER(To)});
             // put the recordings on /var/lib/asterisk/sounds/custom/
             Set(MSG1=generic-voicemail);
             Set(CLIENT_MSG=recordings/${FROM_DID});
             Set(RINGGROUP=SIP/300&SIP/301&SIP/302);
             //Set(RINGGROUP=SIP/391); //** this line is only used for debugging **
             Set(DIAL_TIMEOUT=10);
             set(VM_EMAIL=kd@virtualcto.com.au);
             Set(QUEUE_NUMBER=802);    // 801: static queue ; 802: dynamic queue
             //Set(QUEUE_NUMBER=808);      //** this line is only used for debugging **
             AGI(agi://localhost/TimeOfDayHandler.agi);
             //Set(X-YPC-STATUS=OK);     //** this line is only used for debugging **
             Verbose(Returned from agi, status= ${X-YPC-STATUS});
             switch(${X-YPC-STATUS}) {
             case UNKNOWN:
                     Verbose(YPC-UNKNOWN);
                     Playback(ss-noservice);
                     goto ael_ivr-callterminated|s|1;
             case UNAVAILABLE:
                     Verbose(YPC-UNAVAILABLE);
                     goto ael_ivr-clientvoicemail|s|1;
             default:
                     Verbose(YPC-OK);
                     goto ael_ivr-findagent|s|1;
             };
             Hangup();
    };
};

context ael_ivr-findagent {
    s => {
          Set(err=${QUEUE_VARIABLES(${QUEUE_NUMBER})});
          Noop(----- Number of calls currently in the queu: ${QUEUECALLS} -----);
          if( ${QUEUECALLS} = 0 ) {
              Noop(------ Calling Ring-Group ------);
              Dial(${RINGGROUP},${DIAL_TIMEOUT},M(ael_callanswered));
          }
          Noop(------ There is any calls in the queue or no answered on Ring-Group, add the caller to queue ------);
          goto ael_ivr-queue|s|1;
          Hangup();
    };
    h => goto ael_ivr-callterminated|s|1;
};

context ael_ivr-queue {
    s => {
          Answer();
          Wait(1);
          Noop(------ Starting Queue ------);
          WaitExten(2,);
          Queue(${QUEUE_NUMBER},t,,,,,ael_callanswered);
          Hangup(); 
    };
    1 => {
          goto ael_ivr-systemvoicemail|s|1;
    }; 
    h => goto ael_ivr-callterminated|s|1;   
};

context ael_ivr-systemvoicemail {
    s => {
          Playback(recordings/${MSG1}); 
          Noop(------------- Minivm Record  -------------);
          minivmRecord(${VM_EMAIL},b);
          goto goahead|1;
    };
    goahead => {
          Verbose(Recording file name: ${MVM_FILENAME});
          Verbose(The duration of the message: ${MVM_DURATION});
          Set(X-YPC-VM-FILENAME=${MVM_FILENAME}.WAV);
          Set(X-YPC-VM-DURATION=${MVM_DURATION});
          AGI(agi://localhost/SystemVoicemail.agi);
          //AGI(agi://localhost/SystemVoicemail.agi,${MVM_FILENAME},${MVM_DURATION});
          goto ael_ivr-callterminated|s|1;
    };
    h => {
          Noop(------------- HANGUP during voicemail recording   -------------);
          goto goahead|1;
          Noop(---Minivm DONE----);
    };
};

context ael_ivr-clientvoicemail {
    s => {
          Playback(${CLIENT_MSG});
          Noop(------------- Minivm Record  -------------);
          minivmRecord(${VM_EMAIL},b);
          goto goahead|1;
    };      
    goahead => {
          Verbose(Recording file name: ${MVM_FILENAME});
          Verbose(The duration of the message: ${MVM_DURATION});
          Set(X-YPC-VM-FILENAME=${MVM_FILENAME}.WAV);
          Set(X-YPC-VM-DURATION=${MVM_DURATION});
          AGI(agi://localhost/ClientVoicemail.agi);
          //AGI(agi://localhost/ClientVoicemail.agi,${MVM_FILENAME},${MVM_DURATION});
          goto ael_ivr-callterminated|s|1;
    };
    h => {
          Noop(------------- HANGUP during voicemail recording   -------------);
          goto goahead|1;
          Noop(---Minivm DONE----);
    };
};

context ael_ivr-callterminated {
    s => {
          Noop(------ AGI: Call Terminated ------);
          AGI(agi://localhost/CallTerminated.agi);
          Hangup();
    };
};

context ael_queue-loginout {
    11 => {
           Answer();
           Set(queue-announce-success=1);
           Set(AGENT_NUMBER=${CALLERID(num)});
           Set(DYNAMIC_QUEUE=802);
           &ael_queue-addremove(${DYNAMIC_QUEUE},10,I${AGENT_NUMBER});
           &ael_queue-success(I${AGENT_NUMBER});
           Hangup();
    }
    22 => {
           Answer();
           Set(queue-announce-success=1);
           Set(AGENT_NUMBER=${CALLERID(num)});
           Set(DYNAMIC_QUEUE=802);
           &ael_queue-addremove(${DYNAMIC_QUEUE},10,O${AGENT_NUMBER});
           &ael_queue-success(O${AGENT_NUMBER});
           Hangup();
    }
}

context macro-ael_callanswered {
    s => {
          Wait(1);
          Noop(------ AGI: CallAnswered ------);
          AGI(agi://localhost/CallAnswered.agi);
    }
}

macro ael_queue-addremove(queuename,penalty,exten) {
    switch(${exten:0:1}) {
        case I: // Login
            AddQueueMember(${queuename},SIP/${exten:1},${penalty});
            break;
        case O: // Logout
            RemoveQueueMember(${queuename},SIP/${exten:1});
            break;
        case P: // Pause
            PauseQueueMember(${queuename},Local/${exten:1}@agents);
            break;
        case U: // Unpause
            UnpauseQueueMember(${queuename},Local/${exten:1}@agents);
            break;
        default: // Invalid
            Playback(invalid);
            break;
    }
}

macro ael_queue-success(exten) {
    if( ${queue-announce-success} > 0 ) {
        switch(${exten:0:1}) {
            case I:
                Playback(agent-loginok);
                Hangup();
                break;
            case O:
                Playback(agent-loggedoff);
                Hangup();
                break;
        }
    }
}


// EOF

queues.conf：

[general]
        persistentmembers=yes
        shared_lastcall=yes
        updatecdr=no
        monitor-type=MixMonitor

; Static Queue
[801]
        announce-frequency=15
        announce-holdtime=no
        announce-position=yes
        music=default
        autofill=no
        eventmemberstatus=no
        eventwhencalled=no
        joinempty=yes
        leavewhenempty=no
        maxlen=0
        memberdelay=0
        penaltymemberslimit=0
        periodic-announce-frequency=15
        queue-callswaiting=queue-callswaiting
        queue-thankyou=queue-thankyou
        queue-thereare=queue-thereare
        queue-youarenext=queue-youarenext
        reportholdtime=no
        retry=5
        ringinuse=yes
        servicelevel=60
        strategy=ringall
        timeout=15
        timeoutpriority=app
        timeoutrestart=no
        weight=0
        wrapuptime=0
        context=ael_ivr-queue
        setqueuevar=yes
        member=SIP/300,1
        member=SIP/301,1
        member=SIP/302,1

; Dynamic Queue
[802]
        announce-frequency=15
        announce-holdtime=no
        announce-position=no
        music=default
        autofill=no
        eventmemberstatus=no
        eventwhencalled=no
        joinempty=yes
        leavewhenempty=no
        maxlen=0
        memberdelay=0
        penaltymemberslimit=0
        periodic-announce-frequency=15
        queue-callswaiting=queue-callswaiting
        queue-thankyou=silence/1
        queue-thereare=queue-thereare
        queue-youarenext=queue-youarenext
        reportholdtime=no
        retry=5
        ringinuse=yes
        servicelevel=60
        strategy=ringall
        timeout=15
        timeoutpriority=app
        timeoutrestart=no
        weight=0
        wrapuptime=0
        context=ael_ivr-queue
        setqueuevar=yes

延伸閱讀

• Automatic Call Distribution (ACD) Queues