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Originally Posted by ian@huth
A lot depends on the equipment that the telco has and also on the equipment that the caller or the callers network has. The telco can only alter their own equipment.
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Yes, had a problem recently where a business customer wanted the individual CLI's to be sent out so we duly enabled it on the switch. Customer complained that it didn't work so after analysing the signalling it turns out his equipment wasn't sending the correct CLI (OLI to be precise: Originating Line identity) to the exchange, the switch didn't recognise it as a valid extension number and defaulted to presenting the main billing number. The PABX maintainer said it would take too much work at his end to correct it !!
