Add a Callback rule and set Inbound Route destination to the Callback rule.
Note:Make sure that the Caller ID service is enabled on the callback trunk. If the PBX cannot recognize the inbound caller ID, callback will fail.
Add a Callback rule.
Go to Settings > PBX > Call Features >Callback, click Add.
On the Callback configuration page, finish the callback settings.
Name: Set a name for the Callback.
Callback Through: Select which trunk to use when calling back.
Note: Make sure that you have set up an outbound route for the trunk, or callback will fail.
Delay Before Callback: How long to wait before calling back the caller.
Strip: Optional. How many digits will be stripped from the call in number, before the callback is placed
Note:You do not need to configure Strip if the trunk supports calling back with the Caller ID directly.
For example, user 5503301 calls in the PBX, the caller ID displays 05503301. To call back to the user, you should set strip 1 digit so that the PBX will call back to 5503301.
Prepend: Optional. The digits added before a callback number before the callback is placed.
Note:You do not need to configurePrepend if the trunk supports calling back with the Caller ID directly.
For example, user 15880232154 calls in the PBX, the caller ID displays 15880232154. To call back to the long-distance number 15880232154 through the selected trunk, you should add digit 9 before the number. In this case, set Prepend to 9.
Destination: Where the callback will direct the caller to.
Click Save and Apply.
Set Inbound Route destination to the callback.
Go to Settings > PBX > Call Control > Inbound Route, edit your inbound route.
Set the Inbound Destination to the Callback.
ClickSave and Apply.
Make an inbound call to the PBX trunk, after you hear the ring tone, hang up the call, the PBX will call back to you.
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