Inbound Calls Billing-上車的計費設計

A2Billing)

在 A2B 的管理介面有幾個項目要作：

1. 新增 DID 號碼，INBOUND DID > Add >
   DID = DID 號碼
   BILLING = Only dialout rate
   DIDGROUP = 事先新增 DIDGROUP
   ACTIVATED = Yes
   MONTHLY RATE = 0
   CONNECT CHARGE = 0
   SELLING RATE = 0
2. 新增轉接目的號碼，Destination > Add
   DESTINATION = 填 IVR 的虛擬號碼，參考 FreePBX 設定
   CUSTOMERID = 選擇要計費的帳戶號碼
   DID = 選擇要綁定的 DID 號碼
   ACTIVATED = Yes
   PRIORITY = 1
   VOIP_CALL = No
3. 新增 Provider，PROVIDERS > Providers > Add
   PROVIDER NAME = AST
4. 新增 Trunk，PROVIDERS > Trunks > Add
   VOIP-PROVIDER = AST
   LABEL = Local
   REMOVE PREFIX = 2
   PROVIDER TECH = LOCAL
   PROVIDER IP = %dialingnumber%@from-internal
5. 新增 Prefix code，PROVIDERS > Prefixes > Add
   PREFIX = 2
   DESTINATION = DID Inbound

FreePBX)

1. 新增 SIP Trunk 連結 Provider，Trunks > Add
   ...
   context=a2billing-did
2. 新增 IVR 設定，IVR > Add
3. 新增 feature code 導向 IVR，Misc Applications
   Description = whatever
   Feature Code = 9990 這是 IVR 的虛擬號碼
   Feature Status = Enable
   Destination = IVR