[asterisk-users] OT - Do analog gateways detect a phone is plugged in or out ?

[Olivier]

Hi,

I've got a general question about analog gateways (Xorcom, Audiocodes,
Patton, ...) .
Is it usual for analog gateways to detect when an analog phone is plugged in
or out ?
If positive, would it be then useful to send "qualify" queries for each
connect phone (I'm implying here that an analog gateway would then reply
appropriately for qualify query.

Regards
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