The
existed Bandwidth in police system
network are more than 2M. It only
need to add corresponding IP voice
equipments to build a intra IP
voice network.
Normally, there are IP phone demand
between police center and police
station. Meanwhile, satisfy the
IP phone access in police station.
In city police office, use Aliwei
digital gateway connecting PBX
through E1 port. PBX connects
with PSTN. Select corresponding
modules according actual condition
In county police office, use Aliwei
analog gateway. Connect FXO port
with PBX, Only need to make phone
of PBX dial FXO port first, then
can realize IP Phone function.
All calling of whole system are
free.
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