PBX installation©2001 Nokia Mobile Phones. All rights reserved. 264 The call is established.For further information on how to change the mode, see “ Changing applicationmodule extension modes” on page 32.Connecting the Nokia 22 to a trunk lineof a PBX1 Disconnect the Nokia 22 PBX connectivity terminal power supply from the ACwall outlet.2 Connect the Nokia 22 to a free PBX trunk line with an RJ-11 cable.3 Connect the power supply to the terminal.If the AutoPIN feature is active, the Nokia 22 automatically connects to the net-work. In 20-30 seconds, light indicator 3 lights up to indicate the network con-nection and light indicator 1 to indicate the PBX trunk connection.If the AutoPIN feature is not active, you have to enter your PIN code. For infor-mation about entering the PIN code, see “ Entering the PIN code” on page 19.For details, contact your PBX supplier.