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Placing Calls
Details of Services
There are two ways to use the VoIP-TA unit; using both a PSTN line and
the IP network or using only the IP network. These services are
determined by the data setup.
Using both a PSTN line and the IP network
Line selection
The selection of a PSTN line or IP network is specified by the first digit of
the phone number set by the Maintenance Console Software.
Third party incoming call during another call
For PSTN line receiving services using hookflash (hooking) from regional
telephone service company
• Response to
incoming calls
from a PSTN
line during a
telephone call
using the IP
network.
• Response to an
incoming call
from the IP
network during
a telephone
call using a
PSTN line.