IP SIP Paging Gateway User Guide | ZYCOO Co., Ltd.
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To use digital level input signal as the trigger of dry contact relay output, please enable “Trigger by Input
Signal”.
To use DTMF signal as the trigger of dry contact relay output, then please specify the DTMF key press.
In this example, DTMF key press is *1, so during a SIP call, the caller press *1 from the phone key pad, it will
trigger the dry contact relay output on the SIP paging gateway.
To use call state as the trigger, then please select from “Outgoing”, “Incoming” and “Hangup” states.
If “Outgoing”, the dry contact relay output will be triggered when someone presses the call button of the SIP
paging gateway to establish a paging/intercom call.
If “Incoming”, the dry contact relay output will be triggered when the SIP paging gateway gets an incoming
SIP paging/intercom call.
If “Hangup”, the dry contact relay output will be triggered when a SIP call ends on the SIP paging gateway.
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