AT AT-B17D, User Manual, Page: 20 / 72

AT-Telecom USER-MANUAL AT-B17D
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continually short press three times “*” key (“P” will be
shown on the display).
Dial fixed-line telephone extension as following: phone
“P” + extension dialing key
Emergency calls
If your phone is under the network coverage (you can find
this by checking the signal bar at the up left corner on the
screen), you can make emergency calls. If your network
supplier does not provide roaming service in this area,
Emergency will be shown on the screen. That means you
can only make this kind of calls. If your phone is under
the network coverage, you can even make emergency
calls without the SIM card.
* In some areas, 112 (emergency call) service is provided
by the network operator. In case of failure, consult the
network operator.
IMEI
International Mobile Equipment Identity number. Switch
off the mobile phone and take off the battery, then you
will see the label with such number on the back of the
mobile phone. Also, this number is saved in the mobile
phone. After switch on, in standby state, input “*#06#” to
display it.