2N NetStar Admin manual User Manual

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Figure: View of CallBack Configuration Menu for SMS

Example 1 – Initiated by call

The external extension with an enabled and licensed CallBack function dials a PBX SIM
card number. The call is routed to the CallBack object. When hearing the alert tone,
the calling user can wait for the end of the

. In that case, the

Ring detection timeout

CallBack function is not activated and the call is automatically routed according to the

. When the calling user hangs up before the timeout

Destination after timeout
expiry, the

and

are activated. After the

expi

CallBack

CallBack delay

ry, a CallBack to the external extension is established. The external extension user
answers the call and can go on dialling through the PBX according to the Destination

for ring

Example 2 – Initiated by SMS

The external extension with an enabled and licensed CallBack function sends an SMS
message to a PBX SIM card. The SMS is routed to the CallBack object. The SMS text
may be

, for example. The PBX waits for a timeout (30s) and after that

800123456,30

establishes a CallBack to the external extension. The external extension user answers
the call and the PBX builds up a call to the called party 800123456 using the

parameter.

Destination for ring