I have CiscoAS5400HPX, terminate calls via E1's to UK-mobile
calls originate from landline international.
BT is my E1 provider.
BT enabled CLIP but still showing E1 DID instead of International CLI.
if I enable CLIR then it work okay and shows as unknown number
But when enable CLIP then only show E1 DID instead of caller number CLI
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This BT E1 signalling is analog or digital? As it could affect on your configuration. Could you paste your config file over here especially on E1 parts for my review?