My client need objective using cisco IP phone 7940 dial the extension number( may be **) which will transmit this to cisco ATA 186 telephone adaptor port 2. The current port 1(RJ11) is connected to analog phone. Thus, they will dial the (**) port 2 destination which in turns to give some relay output to short the door contact for unlock purpose.
Now, is that can I just used the market normal relay 48V AC relay which connect the two lines from RJ11 port 2(fxs port) and once the person dial the extension number the port 2 will generate the voltage and the relay will close contact once reaching the desired voltage?
You have a Cisco Unified Communications Manager (CUCM) system and want
to configure a SPA112 analog telephone adaptor (ATA) to register to the
CUCM so that you can use up to two analog phones or similar FXS devices
with the CUCM.In this application note, ...
This document is a must-read for all SPA232D installers, administrators,
and users. The document takes you from unboxing the SPA232D ATA and
SPA302D DECT handsets, through DECT handset registration, and connecting
to the PSTN and ITSP.The document describ...