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144 Digital Telephone IP Adapter Installation and Administration Guide
Using the digital telephone Standard 2.1
Placing and receiving calls
Place outgoing calls by pressing the calling key to receive an outgoing line.
Receiving incoming calls
A Digital Telephone IP Adapter unit receives host-controlled incoming calls
over the IP network.
Methods for placing outgoing calls
You can place an outbound call from a Digital Telephone IP Adapter unit station
in one of the following ways:
! method 1: Lift the telephone handset.
This method automatically initiates a host-controlled call.
! method 2: Press the calling key.
Pressing the host calling key initiates a host-controlled call.
Placing a host-controlled call
To place a host-controlled call:
1 Lift the telephone handset or press the host calling key.
Result: You hear a dial tone over a connection with the host PBX.
Note: If a connection to the host PBX cannot be established within a time-
out period or no resources are available to carry the call, you hear a reorder
dial tone (fast busy signal), and one of the following messages appears on
the telephone display:
! Release and Try Again
! Bandwidth Limit
! DSP Limit
Bandwidth limit indicates that there was not enough bandwidth available in
the system to complete the requested task.