MIL-HDBK-1191
11.5.1.4
TSS Trunk Capacity. As a minimum, the number of trunk ports
allotted for each category shall be 15 percent of the IIC, FWC, and MOC. The
number of trunk circuits initially installed inside the telephone system on
trunk circuit line cards shall be 15 percent (minimum) of the IIC.
11.5.1.5
Call Detail Recording (CDR). The TSS shall include software and
hardware to provide a CDR function. The CDR shall enable the staff to
establish accounting data for each station and trunk to include billing and
traffic data. The CDR shall collect data on all calls made in the system,
including all incoming and outgoing trunk calls. The CDR system shall provide
software flexibility to enable the user to tailor the format of the reports
produced on the CDR printer. As a minimum, the CDR system shall identify the
station placing the call, telephone number dialed, date and time of day, call
connect time, call duration, trunk type, cost, and either a cost center
identification code or other code keyed to an organization or activity. The
CDR will also enable the user to perform TSS traffic studies to show maximum
busy hour calls and dial tone delay data.
11.5.1.6
System Features. The telephone system shall include an automatic
diagnostic system with local and remote alarms, remote diagnostics hardware
and software, local printouts of system reports and maintenance and alarm data
and a power fail-auto-restart feature as well as any other features and
functions required by the Using Service.
11.5.1.7
Automatic Call Distribution (ACD) / Auto Attendant (AA). An ACD
and/or AA, if required by the using Service, will be provided. Sufficient
telephone lines to the ACD and/or AA as well as dedicated commercial circuits
which bypass the DCO will be provided, when required, for the efficient
operation of the system. All incoming lines will be answered on a first-in
first-answer basis. When all ACD operators are busy, incoming calls will be
placed on hold after receiving a prerecorded message and will be served by the
first available operator. When offices are closed (nights, weekends,
holidays), all calls will be transferred to a recording device for accepting
appointments and cancellations. The ACD shall provide a workload recording
system. The workload recording system shall come equipped with a printer.
The system shall record data and generate reports indicating the number of
calls placed and received by each attendant, the number of uncompleted
incoming calls due to a busy signal or hang-up, call answer time, call
duration, calls waiting, calls completed by each attendant and the number of
times all positions are busy and the duration of each busy period. Design
shall include expansion capability to add additional operator stations and
incoming lines.
11.5.2
Direct Telephone Service From the DCO. When telephone service is
connected directly from the DCO to the medical facility telephone sets service
entrance conduits, an MDF and power from the equipment branch of the emergency
power system, if available, shall be provided in the service entrance
facility. A TSRM shall be developed for the medical facility based on the
features available from the DCO.
11.5.3
User Station (telephone) Features. The following features are the
minimum to be furnished with the Telephone system software package and the
telephone instruments:
Call Transfer/Consultation Hold/Three Party Conference.
Camp-on.
11-5
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