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Thanks bking.
https://www.cermetek.com/catalog/telephone-line-interface/
It looks like the CH1837A , CH1840 , or CH1847 would be suitable since they do not have the Loop Current Holding Circuit that the XE series do.
I think such a module might lower the level of audio signal on the receive...
Hi KlausST,
Forgive me for not expressing myself more clearly.
The chips you listed are to build a recorder circuit.
My friend already has a digital voice recorder. I do not need to build the recorder.
The Radio Shack device mentioned was an audio interface between the telephone lines and...
A friend asked me what telephone recording interface they could buy
to use to connect their pots landline to their digital voice recorder.
I thought of the old Radio Shack 43-2208. But I discovered that Radio Shack no longer sells it.
Searching on the web, most of the currently available...
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