問題文
Every directory number on an endpoint that has a direct inward number is provisioned in the international form. The guidance lists what that buys, and one of the items is about automated alternate routing. What does it say has become unnecessary there?
選択肢
- Provisioning a schedule and a filter for it, as the in-house destination can be used directly as the alternate address on the public network.
- Provisioning several groups and several prefixes for it, together with a schedule and a filter, as the alternate address on the public network comes from the mask that the line carries.
- Provisioning a schedule and a filter for it, as every endpoint of that kind has a unique address by definition and needs no alternate address at all.
- Provisioning several groups and several prefixes for it, as the on-net destination can be used directly as the alternate address on the public network.