UK Caller ID test equipment

Does anyone know of any test equipment that could be used to test a UK
Caller ID signal (receive and interpret the signal)? It would be
useful if it could provide diagnostic information as well.
Thanks!
Reply to
Jim Kresse
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I can't fully answer your question, but I'm pretty sure that analogue CLID for BT in the UK is sent in a squirt of FSK before the first ring.
There'll be a BT SIN that gives chapter and verse:
and I expect that there must be proper test equipment that does the job.
may have some used stuff
Reply to
David Quinton

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