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Re: Caller Line Identity - where is it ?
No, wrong, sorry. All the billing/management systems are CLI capable. Equipment has to be physically installed at the switch for Caller Display to be enabled on lines in a region. Many areas have this capability now (in fact, the Celtic regions were upgraded recently), however there are still some areas (both on the ntl network and even one or two exchanges on the BT network) where CLI is not available. It's not just a case of not switching it on - that would be stupid - it's just not physically possible without the equipment being installed/upgraded. This is not an inexpensive undertaking.
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