From Page 27 and 28 of the RFP located Here: http://www.sedgwickcounty.org/Purcha...es/10-0254.pdf
The Adddendums can be found at the 1st post.
In the present 800 MHz trunked radio system, it is impossible to control who
monitors calls outside of the network. Command and investigative conversations may
involve topics of a legally restricted or sensitive nature where eavesdropping by outside,
unidentified persons is undesirable or unacceptable.
Accordingly, the new digital voice radio network shall include provisions for call
privacy whereby identified users within the network can be excluded from certain talk groups
or individual conversations. This provision must offer sufficient flexibility such that the
desirable features of monitoring can be retained while permitting privacy to conversations
that are potentially confidential. Finally, the new network shall incorporate technical features
that prevent unauthorized listeners from monitoring any network calls. Ideally, the new
network should inhibit the ability of non-network users from monitoring actual voice
transmissions of any type (inclusive of telephone interconnect calls) as well as preventing
such persons from monitoring those call assignments transacted via the network’s digital