12.2 Principle of subscription
For on-air subscription at a DECT device always the on/off switch and the subscription button(s)
are used.
Every time notice the special CeoTronics operating instructions for the other CT-DECT device.
NOTE
The on-air subscription is a procedure which has to be performed once only by the factory. It
must be performed again only in the case a DECT device that isn't subscribed to the system has
to be used within the system.
Principle of subscription
Each device is equipped with a DECT module and has its own identification number. First of all an
allocation must always take place between the base device (CT-GateCom Compact) and the maximum
of four standard devices. This subscription procedure, which has to be performed once only, is
performed on the base device and the maximum of four standard devices manually by means of a
procedure carried out by the operator.
If a fifth standard device would be subscribed to the base device, the standard device that was
subscribed in first would be deleted from the data memory of the base device. See the following
example.
Principle of subscription (example)
A standard device that is deleted from the data memory of the base device cannot communicate any
longer with the CT-DECT system. In this case the standard device has to be subscribed again to the
base device according to the subscription procedure.
Once the subscription procedure has been successfully concluded, the identity of the communication
participants is stored in the data memory of the device. The standard device stores one base device.
The base device stores the last four successful subscribed standard devices.
Time Out
If no successful subscription between a standard device and the base device was achieved after
maximally 2 minutes, a »Time Out« occurs. The »Time Out« is signalized by a tone sequence of 4 short
deep tones in the communication headset of the Standard device, which repeats itself every 4 seconds.
After a »Time Out« all necessary standard devices have to be subscribed again to the base device.
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