 | up to 1000 call units in 8 directions
|
 | full duplex voice connection
|
 | cable / optic / public phone/ GSM network connection of ECS
units possible
|
 | full PC control
|
 | full time self-test of units
|
 | light mark on every call unit
|
 | extreme lighting-discharge and surge resistance
|
 | module based maintenance
|
 | two center connection possible with time / manual shared
priority
|
 | possible connection to public phone
network.
|