Simulated response code PBX\Disable his expectations (analog telephony)

Here's the problem: telephone (analogue) does not include the microphone up to confirm (something(?)). Thus there is no possibility to connect in parallel to the already ongoing conversation. Connected according to the scheme "stranding wires".

The question is how to get around that? Sometimes you need to join in the conversation
The machine of the Gigaset C610A C610H handset with. She's called like "barge-in", but regular phones support it by design, and I'm smart got...
October 3rd 19 at 03:12
1 answer
October 3rd 19 at 03:14
Apparently he is waiting for a voltage drop with duty (60 in) to speaking (5 — 12V). Frankly, it is easier to connect a regular phone than to teach the Gigaset to work as you need.

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