Page last modified 17:01, 7 Jul 2012 by alang

Blacklist-黑名單(FreePBX模組)

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1. Dialplan 流程說明

版本為 14:56, 20 Nov 2024

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Blacklist - 黑名單功能，這是 FreePBX 的功能模組之一，這可以用來阻擋特定的來電號碼(CID)，以及啟用此功能後，預設也會將未顯示(unknown)的來電也做阻擋。

使用重點：

此功能的原始設計只會對來電號碼(CID)做檢查。
Blacklist 預設會有一筆紀錄 Number: blocked, Description: 1，這不可刪除，這是用來阻擋 CID 顯示 unknow/unavailable/空白時。

Dialplan 流程說明

from-trunk ->
from-pstn ->
ext-did ->
ext-did-0002 ->
app-blacklist-check ->

ext-did-0002：

TIPs:

必須先新增 Inbound Route，才會有此 context。

[ext-did-0002]
include => ext-did-0002-custom
exten => fax,1,Goto(${CUT(FAX_DEST,^,1)},${CUT(FAX_DEST,^,2)},${CUT(FAX_DEST,^,3)})

exten => 0702500268,1,Set(__FROM_DID=${EXTEN})
exten => 0702500268,n,Gosub(app-blacklist-check,s,1()) <=====
exten => 0702500268,n,Set(CDR(did)=${FROM_DID})
exten => 0702500268,n,ExecIf($[ "${CALLERID(name)}" = "" ] ?Set(CALLERID(name)=${CALLERID(num)}))
exten => 0702500268,n,Set(__CALLINGPRES_SV=${CALLERPRES()})
exten => 0702500268,n,Set(CALLERPRES()=allowed_not_screened)
exten => 0702500268,n(dest-ext),Goto(ext-featurecodes,*43,1)

;--== end of [ext-did-0002] ==--;

app-blacklist-check：

TIPs:

必須安裝 Blacklist 模組，而且有新增至少一個電話號碼，才會有如下的內容，否則內容會是預設。

[app-blacklist-check]
include => app-blacklist-check-custom
exten => s,1,GotoIf($["${CALLERID(number)}" = "Unknown"]?check-blocked)         <====
exten => s,n,GotoIf($["${CALLERID(number)}" = "Unavailable"]?check-blocked)     <====
exten => s,n,GotoIf($["foo${CALLERID(number)}" = "foo"]?check-blocked:check)    <====
exten => s,n(check-blocked),GotoIf($["${DB(blacklist/blocked)}" = "1"]?blacklisted) <====
exten => s,n(check),GotoIf($["${BLACKLIST()}"="1"]?blacklisted)
exten => s,n,Set(CALLED_BLACKLIST=1)
exten => s,n,Return()
exten => s,n(blacklisted),Answer
exten => s,n,Wait(1)
exten => s,n,Zapateller()
exten => s,n,Playback(ss-noservice)
exten => s,n,Hangup

;--== end of [app-blacklist-check] ==--;