1. SCOPE This manual explains how to use the Enhanced Digital Access Communications System (EDACS) Jessica Private Branch Exchange (PBX) Gateway. Jessica allows telephones on the Public Switched Telephone Network (PSTN) to reach radio users. Conversely, the system allows radio users to make telephone calls. This manual provides a brief explanation of how to access Jessica services, followed by a more detailed discussion for advanced users.
2. QUICK USAGE GUIDE This section presents a brief summary on how to place phone calls through the EDACS Jessica system. For more information about the access methods, refer to the detailed usage section. 2.1. MAKING PHONE CALLS FROM AN EDACS RADIO These "generic"...
l l Sustaining a Call Press the PTT button whenever you hear the hang time warning tone to ensure that your call is not disconnected. EDACS has a "hang time" that will drop a call if the user fails to press the PTT button within a specified time (default is 30 seconds at the PBX Interface).
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To Call: • An individual radio, enter the 5-digit radio LID. • A digital individual radio, press “3” + 5-digit radio LID. • A group of radios, press “2” + 4-digit GID. • A digital group of radios, press “3” + “2” + 4-digit GID. Example 1: To call radio 6107 •...
3. DETAILED USAGE GUIDE The Jessica system contains a small business telephone switch that allows flexible use of telephones and radios. The sections below present instructions on how to use a telephone or a radio to complete several types of tasks with Jessica and how to activate those features that may be enabled from a radio.
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Task Accomplishing Task with Jessica 3. Once the phone user has entered the command sequence, a dial prompt is generated. 4. Before the radio ID is entered, the phone user may need to enter the EDACS selector code. Similar to the LCR code for radio-originated PSTN calls, the EDACS selector code is customer- defined, but typically is "7."...
3.2. RADIO USERS The chart below shows how to use a radio to accomplish several tasks with Jessica. Task Accomplishing Task with Jessica Placing a PSTN See your radio operator's manual for destination call specific usage interconnect calls. Number requires a Least-Cost Routing (LCR) code as the leading digit of the destination phone number.
3.3. RADIO-ENABLING OF FEATURES This section discusses the settings necessary to activate those features that may be enabled from a radio. In the chart below, the abbreviation FCP is used for the CONFIG.DAT parameter FEATURE_CODE_PREFIX. For all the features except the toggle between busy/no answer and do not disturb, the user hears a short burst of ringing tone if the feature code is accepted and a short burst of busy tone if the feature code is rejected.
LCR is available for outbound calls only. Logical Identification -- individual radio or console ID. MD110 Ericsson PBX that provides connectivity to the PSTN. Private Branch Exchange -- a telephone switch commonly used in business applications. PSTN...
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Ericsson Inc. Private Radio Systems Mountain View Road Lynchburg, Virginia 24502 1-800-528-7711 (Outside USA, 804-528-7711) Printed in U.S.A.
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