Console, Coverage Call, Coverage Path, Coverage Point | AT&T AT&T

Console

See Attendant Console.

Coverage Call

A call that is redirected from the called party’s personal dial code to an alternate answering position when certain criteria are met.

Coverage Path

The order in which calls are redirected to alternate answering positions.

Coverage Point

The attendant positions (as a group), Direct Group Call (DGC) group, Coverage Answer Group, or a voice terminal extension designated as an alternate answering position in a coverage path.

Covering User

The person at an alternate answering position who answers a redirected call.

DCE: (Data Communications Equipment)

DDC: (Data Dial Code)

DDD:(Direct Distance Dialing)

DID: (Direct Inward Dialing)

DGC: (Direct Group Call)

DTE: (Data Terminal Equipment)

DTU: (Digital Tape Unit)

DTMF: (Dual Tone Multifrequency)

DXS: (Direct Extension Selector)

Data Channel

A communication path between two points used to transmit digital signals.

Data Communications Equipment (DCE)

Refers to a specific RS-232C interface connector configuration. DCE devices are designed to interface directly (pin-for-pin) to Data Terminal Equipment (DTE). The transmit and receive pins are reversed from that of a DTE interface. A modem is an example of a DCE device.

Data End Point
Two general groups;		those having a DTE type	interface, which encompasses almost
all of the data terminal devices, and the group of DCE interface devices which are
primarily	modems.	However, it must be noted	that	within each category, control
interfaces	may also	vary. R e f e r t o A n a l o g	D a t a	E n d p o i n t a n d D i g i t a l D a t a
Endpoints	for additional information.

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AT&T AT&T manual Console, Coverage Call, Coverage Path, Coverage Point, Covering User, Data Channel, Data End Point

Contents

AT&T System To Order Copies of this Document Refer to Document Number 1987 AT&T All Rights Reserved Repair Instructions Means of ConnectionNotification to the Telephone Company FCC Registration Information Private Line ServiceRights of the Telephone Company Hearing AID Compatibility FCC Warning Statement Overview Contents Section Organization Overview Merlin System 25 Description System 25 Block Diagram Business Communications Needs SafetyCall Handling Capabilities PDC Incoming Business CommunicationsDid Outgoing Business Communications Internal Call Movement Data Communications Page Growth & Rearrangement Page Conclusions Smdr List of Figures SAT BISStarlan LED Interactions Administration RequirementsDescription Considerations Feature Name Type System Features Feature Network FeaturesData Features Feature Name Feature Name SINGLE-LINE Multiline Terminal Button Label † Station Features Feature Name Console Button Label † Type Attendant Features Account Code Entry Interactions Attendant Call Extending Selector Console optional Interactions Call Coverage/Direct Group Calling DGC If Attendant CAMP-ON None Attendant Cancel Direct Trunk Attendant Console Attendant CONSOLE, Direct Trunk Position Busy Dual Console Operation System Assign Primary Secondary Attendant Direct Trunk Attendant Console Connections Fixed Buttons Figure Attendant CONSOLE, Switched Loop Attendant Message Waiting Attendant Message Waiting Used by Programmable Feature Buttons Figure Display Figure DSS Console Buttons and Display Switched Loop Operation Placing a Call on a Loop Button Answering a Call on a Loop Button Ringing Call Types Call Originations Attendant Features Switched Loop Attendant Console Connections Attendant Direct Extension Selection Model 23A1 Attendant Direct Extension Selector Console Considerations Attendant Direct Extension Selector Console Connections Call Information Display Attendant Display V2 Slac Only Incoming coverage call Incoming did callIncoming call from a system user Outgoing trunk call Returning parked callCall from console to system user Conference 4 Conference set up by attendantInspection Mode Conference 3 Timer Functions Attendant Forced Release V2 Slac Only Join Only Attendant Message Waiting Systems with Direct Trunk Attendant Consoles Dtac Systems with Switched Loop Attendant Consoles Slac Call Coverage Administration Requirements Automatic Release Manual Release Interactions Attendant Return Coverage on Busy Administration Requirements Attendant Return Coverage on DON’T Answer Administration Requirements Attendant Source and Destination V2 Slac Only Attendant Splitting ONE-WAY Automatic Systems Technician Automatic Intercom Administration Requirements Automatic Route Selection ARS ARS Flow Chart FRL ARS Routing Pattern Table Automatic Route Selection Flow Chart Sheet l Automatic Route Selection Flow Chart Sheet 2 0f Considerations ARS Hardware Requirements Automatic Route Selection Routing Pattern BUSY-TO-IDLE Reminder Call Accountability Call Accounting Page Facility Code #190-#199 is identified in this field Call Accounting System CAS CAS Models 200, 300, 500, CAS ModelPage CAS Model Stations Account Codes AT&T Call Accounting Systems DUR FAC STN Account PDC Date Time Column Number Ascii Character Description Valid Position Characters 12. Smdr Call Record Header Format Ascii Character Description Position Z21OA Adapt 15. Smdr Output Equipment -On-Premises Switched Connections 16. Smdr Output Equipment-Off-Premises Direct Connections 17. Smdr Output Equipment-Off-Premises Switched Connections Standard Group Coverage DGC Group Coverage V2 only Page Interactions DGC Group Coverage V2 Only Administration Requirements Standard Group Coverage Sent to coverage Administration Requirements DGC Group Coverage V2 Only Call COVERAGE-INDIVIDUAL Call Coverage -Group Unanswered Call Following Forwarding Interactions Call Park Considerations Attendant Selector Console Assign Call Park buttons Group Call Pickup Directed Call Pickup Administration Requirements Call Progress Tones Toll Restriction Facility Access RestrictionOutward Restriction ARS Restriction Hardware Requirements Voice call V2 only Data call or place Data call Hangup Options Current DefaultOptions EXit Change options View options Option Definition Partial List of Permissible Data Port TN726 Options Host Modem Computer Users 18. Communications Access Manager Architecture Page 101 Multiline Voice TerminalsSingle-Line Voice Terminals 102 Extended Stations An 103 Switched Loop Attendant ConsolesMultiline Voice Terminals except Slac All Multiline Terminals 104 Data Call Setup 106 Data EndpointsDTE Devices 107 Data Terminal Without Ascii KeyboardAscii Data Terminal With Keyboard 108 Host Computer EndpointAnalog Data Endpoint DCE Devices Data Call Processing Modes Data Endpoint States Controlling Features Connecting Configurations 111 112 Dialed CharactersDialing Correction Pause 113 End-to-End SignalingCall Disposition Answering Endpoint 114 115 Interactions End-To-End Signaling See above text 116 Dial Code Assignments Direct Inward Dial did Number Assignments Voice Terminal Directed FeaturesPDC to Voice Terminal Association Data Dial Codes DDCs 118 119 20. Dictation System Connections FCC Registered 120 21. Digital Tape Unit 121 122 123 124 Transfer For 125 126 23. Delay Announcement Equipment Connections FCC Registered 127 128 129 130 Access to Paging Zones and DGC Groups 131 132 133 134 135 Activating Expert ModeMaking a Data Call Examples Activating the Third-Party Call Setup FeatureDial User Changeable Options 137 Command PECommand MY Interactions Command Mode 138 Conference 139 140 24. External Alert Connections 141 25. Supplemental Alert Adapter Connections 142 Calls Eligible for Hands-Free ServiceBIS and Hfai Voice Terminals 143 Voice Terminals with HFUsVoice Terminals without HFUs 144 145 500A/502A Headset Adapters 146 MET Headset Adapter 147 148 149 150 151 152 153 154 155 Prime Line PreferenceRinging Line Preference 156 Preselection 157 L-USE IndicationsLED Indications Use Line Status Meaning Red LED Green LED 158 159 160 Console ConfigurationsMessage CENTER-LIKE Operation V2 Slac Only Message Center Call Types 161 162 Attendant Message WaitingCall Coverage Message Waiting 163 Station-To-Station Message Waiting 164 165 Calling Restrictions 166 167 168 30. Music-On-Hold Equipment Connections FCC Registered 169 31. Music-On-Hold Equipment Connections Non-Registered 170 Directed NS 171 Trunk-Answer-from-Any-Station 172 173 AT&T 174 32. Delay Announcement Equipment Connections FCC Registered 175 176 177 178 179 180 181 Calls Placed to a PDC 182 Calls Placed to a Floating PDC 183 Direct Station Selection 184 185 186 187 Facility 188 189 190 35 B Emergency Transfer Unit ETU 192 36. Emergency Transfer Unit Connections 193 37. Multiple ETU Arrangements 194 Special CharactersChar Used in Repertory Dialing Numbers CHAR. Used in Personal Speed Dialing Numbers 195 Char Used in Personal Speed Dialing NumbersTransmits an actual 196 To Program a Number by Using a CodeTo Program a Number by Using the Switch 197 198 199 200 201 202 203 204 205 Speaker 207 4A Speakerphone SystemS101A/S102A Speakerphone PEC 3163-HFU 38. Speakerphone Adjuncts S102A 209 210 211 41. Speakerphone Connections For 12-Button MET Sets 212 System Speed DialingCHAR.FUNCTION Char Function 213 Personal Speed Dialing 214 215 System 25 Starlan Network Access AccessAccess 216 Communications Access Manager CAMStarlan Interface Circuit Pack 217 Starlan Network View of SystemSystem 25 View of a Starlan Network Calls from System 25 to the Starlan Network 218 Wiring ZTN78 219 220 ATL Adapters Administrable ParametersIndividually Administrable default Common Administration default 222 Linear Hunting ExampleCircular Hunting Example Combinational Hunting Example 223 Call Coverage Station 224 225 Centralized Administration 226 227 Backspace ReturnSAT Connection Information 228 45. Model 703 System Administration Terminal 229 TYPICAL-103A Connection Block 230 231 48. SAT On-Premises Switched Connections 232 49. SAT Off-Premises Direct Connections 233 50. SAT Off-Premises Switched Connections Error s System MaintenanceSystem Errors And Alarms Permanent System Alarms 235 Error LogsAutomatic Maintenance Tests 236 Tandem TrunkingS c r i p t i o n Trunk Number C o n d A t i o n 237 238 TestN s i d e r a t i o ns T e r a c t i o ns 239 THIRD-PARTY Call SetupVoice Terminal source Data Terminal source 240 Setting Up a Third-Party Call T e r a c t i o ns Call Coverage Expert ModeAdministration Requirements Data Port AT&T Starlan Network Access 242 TIE Trunks 243 244 TOUCH-TONE and Dial Pulse ServicesTouch-Tone Dial Pads Touch Dial Pads 245 T e r a c t i o n s 246 247 Data Call Origination Using Transfer to DataTransfer to Data Data Call Preindication 248 249 Trunk Groups 250 N s i d e r a t i o n sC i l i t y S t r i c t i o n s e e Calling Restrictions 251 252 TRUNK-TO-TRUNK Transfer 253 User Changeable OptionsUser Changeable Options Definition 51. Command Mode Menu Tree 255 Viewing OptionsChanging Options-General 256 Changing Data Port SpeedEXit Low 257 Interactions Expert Mode 258 Virtual Facilities 259 A R a C T E RF U N C T I O NExamples of Virtual Facility Numbers 260 Accessing a Virtual FacilityExample 261 MET TDMATL List of Tables System 25 Digital Switch Digital Switch Call Processor Circuit Pack ZTN82 or ZTN128 Common Control Call Processor ZTN82 or ZTN128 Circuitry Interrupt Level Timing and Control Logic Circuit Memory Circuit Pack ZTN81 or ZTN127 TDM Bus Time Slot Generation Not a Timing Diagram Switching Network Electrical Characteristics Physical Characteristics Time Slot No Function TDM Bus Diagram -Three Cabinet System Port Circuits SINGLE-LINE Voice Terminals SMD Asynchronous Data Unit CAS Call Accounting System Translated, and yellow circuit busy Port Circuit Pack Common Circuitry Ground Start Trunk ZTN76 Unique Ground Start Trunk ZTN76 Circuitry Loop Start Trunk ZTN77 Unique Loop Start Trunk ZTN77 Circuitry 10. Unique Tip Ring Line ZTN78 Circuitry Page Port Circuits ATL Line ZTN79 11. Unique ATL Line ZTN79 Circuitry Data Line TN726 12. Unique Data Line TN726 Circuitry MET Line TN735 13. Unique MET Line TN735 Circuitry 14. Unique Analog Line TN742 Circuitry Analog Line TN742Page Did Trunk TN753 15. Unique did Trunk TN753 Circuitry Tie Trunk TN760B 16. Unique Tie Trunk TN760B Circuitry TN760B Tie Trunk Preferred Signaling Formats Signaling Type SummarySignaling Transmit Receive Type ON-HOOK OFF-HOOK Auxiliary Trunk TN763 18. Unique Auxiliary Trunk TN763 Circuitry Network Starlan Interface ZTN84 On-Board Service Circuit ZTN85System Resources SakiPage 19. Service Circuit ZTN85 Tone Detector TN748 20. Tone Detector TN748 Circuit Pooled Modem TN758 Capability Data Module ModePage Memory Allocation Switched Services SoftwareAdministrative Software Maintenance Software Call Processor Circuit Pack Software PartitioningMemory Circuit Pack Step-By-Step Call Description Port Circuit Packs 22. System Software Partitioning On the terminal SIP ListHfai ADU Madu System Cabinets J58901A1 Hardware Description System 25 Cabinets J58901A-Three Cabinet System System Cabinet J58901A-Rear View Cabinets 2 and 3 Port Circuits Cabinet 1 Control and Port CircuitsCabinet Address Plug System Circuit Pack Configurations Total Port Circuit Packs Per System System Resource Circuit Packs Circuit PacksRequired Circuit Packs Optional Circuit Packs Station Port Circuit Packs Circuit Pack Compatibility Trunk Port Circuit Packs Circuit Pack Features Title Circuit Number Circuit Pack Type Ports System Circuit Packs PFT Voice TerminalsSingle-Line Voice Terminals Model 500 Series ZTN79 Summary of Voice TerminalsTerminal Circuit Pack Type Model Description Interface 554BMPA Mode1 2500 Series Analog Voice Terminals Model 2500 Series Mode1 7101A Analog Voice Terminal Model 7101A MD PEC 3170-00M Speakerphone Speakerphone Voice Terminal Single-Line Voice Terminal Connection Information Feature Operations 7300H Series Voice Terminals Multiline Voice Terminals Button Voice Terminal 7302H01D PEC Button Voice Terminal 7302 HOlD Button Voice Terminal 7303H01D PEC Button Voice Terminal 7303HO1D Button Voice Terminal 7305H01D MD PEC Button Voice Terminal 7305HO1D MD For Use as a Direct Trunk Attendant Console Button Deluxe Voice Terminal 7305H02D PECFor General Use 10 -Button Deluxe Voice Terminal 7305H02D Hfai 11. BIS Voice Terminal 7305H03B Feature Buttons only 12 have associated LEDs 12. BIS Voice Terminal with Display 7305H04B For Use as a Switched Loop Attendant ConsolePage 13. Hfai Voice Terminal 7309HO1B Ten Button Multibutton Electronic Telephone MET 2991 C/D05 14. Ten Button MET Set 2991C05 Ten Button MET With Built-In Speakerphone 2993C04 15. Ten Button MET With Built-In Speakerphone 2993C04 Twelve Button MET Set 7203M 16. Twelve Button MET Set 7203M Voice Terminal Adjuncts Multiline Voice Terminal Connection Information Unit Output For USE with Voice Terminal Adjunct Power SuppliesSupplemental Voice Terminal Power Supplies Voice Terminal Adjunct Connection Information Asynchronous Data Units AD US 17. Asynchronous Data Unit ADU ADU Connection Information Z3A1 Unit PEC FeatureAsynchronous Data Units Uninterruptible Power Supply Optional Power Equipment Trunk Access Equipment TAE AC Power Line Surge Suppressor346 Modular Bulk Power Supply 18. Trunk Access Equipment TAE Connections Adapters Station Interconnect Panel SIP617A Panel 19 a Station Interconnect Panel 20. Typical SIP Connections Connectivity Figures 21. On-Premises Single-Line Voice Terminal Connections 22. Out-Of-Building Single-Line Voice Terminal Connections SINGLE-ENDED 25 Pair Cable A25D 7300H Type Voice Terminal Ground Wire 26. Ten Button MET Set Connections TYPICAL- 103A Connecting Block ZTN78 TIP Ring Line CP 103A Connecting Block 30. Typical Madu Connections 31. Z3A1/2/4 ADU Local Power Connections Technical Specifications Total Hardware And Software Parameters Hardware And Software Parameters Contd Traffic Data Simultaneous ZTN79 BIS Unit LoadsUnit Loads Note Equipment Circuit Unit Load Pack PER Port Pack Feet Meters ZTN78 Supporting Gauge Wire CircuitCable Distance Limitations Pack Feet Meters 5106mm Feet Meters Data Rate Gauge WireData Terminals RS-232 Connected To Asynchronous Data Units Tone Frequency Indicator Lamp SignalsLamp Signal Tones Data Terminal Ports Note Station Type Circuit Pack Data Terminal Specifications Z3A4 ADU Data TerminalsData Requires Z3A1 Terminal REN Dtmf Station Type Circuit Pack Specifications Port Specifications Contd Voice Terminal Ports Contd Trunk Ports Trunk Type Circuit Pack Specifications Ground Start Voice Light Medium Heavy Terminals Traffic Recommended Central Office Trunk FacilitiesCalling Traffic Connection Type Loss Analog Transmission CharacteristicsSignal Level Distortion Level Loss Single Frequency Return Loss Talking State Loop ResistanceConnection Bandwidth 64 Kbits Steady State Noise Level Impulse Noise Floor Plans And Layouts Environmental Requirements Typical System 25 Equipment Area Floor Plan Typical System 25 Equipment Area Elevation Plan Wall Space Requirements Temperature and Humidity Electrical Noise RFI Air PurityLighting Single Cabinet System AC Power Requirements AC Power Distribution Multiple Cabinet System Lightning Protection Grounding Part Parts Listed by PEC Z3A5 ATL ADU Merlin VTPart of 62512 62512 62512 Apparatus Code Comcode ZTN76 Z3A4 ADU MOH10B ETU NEU PEC Description Apparatus CodeCAM Starlan Network 500BMPA PEC Description Apparatus Code Comcode Irob S C R I P T I O NMerlin Hfai VT Merlin BIS VT CPU/MEM PEC Comcode PEC Description Parts Listed by Comcode M C O DE PEC Description Apparatus Code Merlin BIS M C O DE P E C Description Apparatus Code Merlin Hfai 105341382 1020-S91 AT&T Starlan Network Comcode PEC Description Apparatus Code Supplementary Material Basic Manuals Descriptions of Basic Manuals User Guides 700 Series Planning ManualReference Manual Terminal Operations Manual Asynchronous Data Transmission AdministerAnalog Voice Terminals Appearance Bridge Bridging Auxiliary EquipmentAuxiliary Trunk Bit Binary Digit CCS Hundred Call Seconds Class of Service COSCommon Control Switching Arrangement Ccsa Bus, Time Division Multiplex Coverage Point ConsoleCoverage Call Coverage Path Digital Data Endpoints Delay-Dial Tie TrunkData Module Data Terminal Equipment DTE Foreign Exchange FX FeatureFeature Button Facility physical Intercept Tone Home Numbering Plan Area Code HnpaImmediate-Start Tie Trunk In-Use Lamp Multiplexed Multifeature Single-Line Voice TerminalModem Pooling Multilane Voice Terminal Pickup Group ParameterPeripheral Equipment Personal Dial Code Queue Random Access Memory RAMProtocol Public Network Split SwitchSwitchhook Software Tone Ringer Wide Area Telecommunications Service WatsTie Trunk Time Division Multiplex Bus Write Operation Service 10-1 Index 10-2 Line Contd 10-3 Starlan Network 10-4