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Page last modified 16:42, 15 May 2012 by alang

Voicemail 設置

    版本為 07:31, 13 Jan 2025

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    說明

    A2Billing 預設安裝時是不支援 Voicemail 功能的，本篇將提供在 A2B 新增 Voicemail 功能的教學。

    功能目的：當 A2B 使用了 DID 電話轉接服務時，如果電話不通或無人接聽時，Caller 可以自動進入語音信箱作錄音留言。

    系統設置

    系統環境：

    • Linux
    • PIAF
    • A2Billing
    方法一：使用 voicemail.conf

    需要修改以下檔案：

    1. /etc/asterisk/voicemail.conf
    2. /var/www/html/common/lib/common.defines.php
    3. /var/www/html/A2Billing_UI/Public/form_data/FG_var_card.inc
    4. /var/lib/asterisk/agi-bin/lib/Class.A2Billing.php

     

    voicemail.conf：

    [general]
...
...
sendvoicemail=yes ; Allow the user to compose and send a voicemail while inside
                  ; VoiceMailMain() [option 5 from mailbox's advanced menu].
                  ; If set to 'no', option 5 will not be listed.
searchcontexts=yes      ; Current default behavior is to search only the default context
                        ; if one is not specified.  The older behavior was to search all contexts. 
...
[default]
...
...
[a2b]
7008374947 => 7008374947,A Lang,your@email.com

    common.defines.php：

    ...
// VOICEMAIL
define ("ACT_VOICEMAIL", true); 
...

     

    FG_var_card.inc：
    註：A2B-1.9.4 已經內建有這些程式碼

    reference to undefined name 'syntax' Exception of type 'MindTouch.Deki.Script.Runtime.DekiScriptUndefinedNameException' was thrown. (click for details)

    TIPs：

    修改了 common.defines.php & FG_var_card.inc 以後，在管理介面 > Customer 會多二個項目，PERMITTED VOICEMAIL, ACTIVE VOICEMAIL SERVICE，必須設定為 YES。

    Class.A2Billing.php：

    ...
...
// Enable voicemail for this card. For DID and SIP/IAX call
var $voicemail = 1;

    TIP：

    預設此行是被註解的。

    ...
function call_did ($agi, &$RateEngine, $listdestination)
        {
                $res=0;
                 ...
                 ...

        // IF VOIP CALL
        if ($inst_listdestination[5]==1) {
        ...
        ...
         // ELSEIF NOT VOIP CALL
         } else {
         ...
                    // PERFORM THE CALL
                                                $result_callperf = $RateEngine->rate_engine_performcall ($agi, $this -> destination, $this);
                                                // alang: add this line
                                                $dialstatus = $RateEngine->dialstatus;
                                                if (!$result_callperf) {
                                                        $prompt="prepaid-callfollowme";
                                                        $agi-> stream_file($prompt, '#');
                                                        continue;
                                                }

                                                // alang: comment out this line
                                                //$dialstatus = $RateEngine->dialstatus;
                                                if (($RateEngine->dialstatus == "NOANSWER") || ($RateEngine->dialstatus == "BUSY") ||
                                                        ($RateEngine->dialstatus == "CHANUNAVAIL") || ($RateEngine->dialstatus == "CONGESTION")) continue;
                                                        ...
                                                        ...

...
if ($this->voicemail) {
                        if (($dialstatus =="CHANUNAVAIL") || ($dialstatus == "CONGESTION") || ($dialstatus == "NOANSWER") || ($dialstatus =="BUSY")) {
                                // The following section will send the caller to VoiceMail with the unavailable priority.\
                                $dest_username = $this->username;
                                $this -> debug( INFO, $agi, __FILE__, __LINE__, "[STATUS] CHANNEL ($dialstatus) - GOTO VOICEMAIL ($dest_username)");

                                // alang: modify this line, a2b is the context of voicemail.conf
                                $vm_parameters = $this -> format_parameters ($dest_username.'@a2b,s');
                                $agi-> exec(VoiceMail, $vm_parameters);
                        }
                }
...
...

    TIPs：

    - 如果是 DID 轉接後的語音留言，必須修改 function call_did；如果是 sip friend 則要修改 function call_sip_iax_buddy。

    - 啟動 voicemail 的指令格式是 exec(Voicemail, XXXXXX@a2b,s)
    XXXXXX  帳戶號碼，a2b 必須對應 voicemail.conf 的 context 名稱，功能參數 ,s 可換成 ,u，如果是 asterisk 1.4 必須改成 |s。

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