Telephone interconnect for Control Stations
Control stations topology is different from casual phone interconnection in CPS configuration. It is based on interruptions instead of phone system itself.
There is no need to configure phone system and set it per channel on CPS. Instead, it is obligatory to set control station to allow to be interrupted and allow subscriber units to interrupt control stations. That is:
For control station:
For subscriber unit:
It is obligatory to configure telephone interconnect in the same way as common.
For control station telephone interconnect must be allowed.
Worth mentioning that in case of control stations, users will experience uncommonly long delays when radio subscriber is performing interruption. Interruption process can take up to 2 seconds. This time can not be decreased and must be dealed with.