Mitel SX-200 DIGITAL Pabx General Description Manual
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Ordering Information TABLE 2-9 SPARES - 480-PORT CONFIGURATION Marketing NamePart Number Comments Control Shelf Assembly 9108-014-OOO-NAPCM Cable (Bay 2-3) 9108-025-OOO-NAPCM and Ground Cable (Bay 9108-026-OOO-NA2-4) PCM Cable (Bay 4-5)8108-027-OOO-NAPFT Monitor Cable 9108-028-OOO-NARear Door Fan Assembly 9108-032-OOO-NASpare Fan 9 109-032-OOO-NAReplacement Filter (Front 9109-037-OOO-NADoor) Floppy Disk Drive Assembly 9109-024-003-NASpare Diskettes Generic 1000 9108-034-OOO-NA 3 Floppy Diskettes Spare Diskettes Generic 1001 9108-034-OOI-NA 3 Floppy Diskettes SX-200” DIGITAL Power 91 IO-108-003-NA Supply 11 ov Digital interface Card 9108-002-OOO-NAPeripheral Control Card 9108-203- 1 00-NA Page 2-7
Ordering Information TABLE 2-10 PERIPHERAL EQUIPMENTKitLCD Console French SUPERSET 3TM French Conversion Kit SUPERSET 3TM Label Kit9 173-002-OOO-NATM Protective Lens SUPERSET qTM Label Kit SUPERSET qTM Lens Kit Handset Handset Cord SUPERSET qTMSets SUPERSET@ Line Cord Pack9 170-048-004-NAStatic Protection Unit 9180-067-OOl-NA Protects system against static discharges at stations. installed at distribution frame. One unit handles 25 stations. Page 2-8
Ordering Information TABLE 2-11 DOCUMENTATION Marketing NamePart NumberCommentsSX-200@ DIGITAL Generic9108-035-OOl-NA Contains Volumes l-4 of Technical Docu- 1000/1001 Volumes 1 to 4mentation, which cover Generic 1000 and Generic 1001 features. SX-200@ DIGITAL Generic 1000/1001 Volume 1 SX-200@ DIGITAL Generic 1000/1001 Volume 2 SX-200@ DIGITAL Generic 1000/1001 Volume 3 SX-200m DIGITAL Generic 1000/1001 Volume 4 9108-092-OOl-NA 9108-092-002-NA 9 108-092-003-NA 9 108-092-004-NAAttendant Console Guide SX-200@ DIGITAL Generic 1000/l 00 1 System Dot.French9 108-090-Ol O-NA Details LCD Attendant Console Operation. 9i08-035-OOO-CA TechnicalDocumentationVolumes 1-4 (French) French Attendant Console Guide 9108-090-OIO-CALCD Console French Conversion Kit General Information Book 9108-040-OOO-CA French Keypad Label and French Attendant Console Guide 91 lo-952-026-NA Includes an overa!l description of the SX-200’ DIGITAL PABX features and periph- eral devices. Page 2-9/9
MITEL STANDARD PRACTICESECTION MITL9108-093-220-NAIssue 2, September 1986 SX-200” DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX) AUTOMATIC ROUTE SELECTION AND TOLL CONTROL Copyright of MITE1 Corporation 1986 @‘Registered Trademark of MITEL Corporation TM - Trademark of MITEL Corporation i
Automatic Route Selection and Toll Control CONTENTSPAGE l.GENERAL........................................l-1Introduction...................................l-l ReasonforReissue..............................l-l ARS: General Description.........................l-l 2. NUMBERING PLANS...............................2-l General.......................................2-l North American Numbering Plan...................2-l 3. CALL ROUTING OPTIONS...........................3-l General.......................................3-l Direct Distance Dialing...........................3-1 Tie Line Service.................................3-l Foreign Exchange Service (FX)..................... 3-1Wide Area Telephone Service (WATS)................3-2 Specialized Common Carrier Service (SCC)...........3-3 4. DETAlLED DESCRIPTION............................4-1Introduction...................................4-1 Alternative Routing..............................4-l Least Cost Routing..............................4-l Toli Control.................................... 4-lOverlap Outpulsing..............................4-2 Expensive Route Warning Tone....................4-2 Callback Gueueing..............................4-3 Camp-on Queueing..............................4-3 Return Dial Tone................................4-3 5. ARS TABLES.....................................5-l General.......................................5-l ARS COR Group Definition Table (CDE Form 26).......5-l ARS Day Zone Definition Table (CDE Form 21).........5-2 ARS Modified Digit Table (CDE Form 22).............5-4 ARS Route Definition Table (CDE Form 23)............5-7 ARS Route Lists Table (CDE Form 24)...............5-10 ARS Route Plans Table (CDE Form 25)..............5-12 ARS Digit Strings Tables (CDE Form 26).............5-13 6. ARS OPERATION: GENERAL APPROACH................6-l General.......................................6-l Programming Process - General....................6-l 7. APPLICATION....................................7-l General.......................................7-l Scenario......................................7-l Trunk Groups.................................. 7-l COR Assignments...............................7-2 ARS Form Filling................................7-2 Step 1........................................7-4 Step 2........................................7-4 Step 3........................................7-4 . . .III
Automatic Route Selection and Toll Control CONTENTS (CONT’D)PAGEARS Digit Strings. -. . . . . D 0 . . . . . . . . -. . . . e s -. . s -. s 7-5 Route Definition Table . . . . . O.. O.. n %. 0. -. . m m D 6 6 0 * d 7-9 Route List Table . . . . -. . . 0 . . m -. . m . s m . D I *. . 0 D D e . e s 7-9 Route Plan Table . . . , . . . . , . a I -. . . . . . . . e m . . m -. . . . . 7-9 Day Zone Table m O..m m..s D 0 0 m -.* a s D D m e D e 0 m....O D D 7-9 COR Group Definition Table . e . m m m m D . . m . m . m m D m . m 0 m 7-10 ModifiedDigitsTable D.~~.~.~..D.~~~~D~.~DD...D~ 7-19TABLE 5-l 5-2 5-3 5-4 5-5 5-65-7 5-8TITLE PAGECOR Group Definition Table 0 D m a m D m . s . s = o s s D 0 D D m 5-3 ARS Day Zone Definition n m D m D m D -. Q . m -. m B m m n m 9 D 5-5 ARS Modified Digit Table . a s n p e m r 0 . s D I D D 0 -. 0 r a 0 5-7 ARS Route Definition Table 0 s II s D s s . D Q D 0 w 0 V 0 e 0 D D 5-9 ARSRouteListsTable O~OD.Y~DDr~~.rD~~DDE~~~ 5-!‘I ARSRoutePlansfable ~ODDDD~~D~sD~D~~~~~D~~~ 5-13ARS Digit Strings Table - Leading Digits n m o D r o e D e 5-16ARS Digit Strings - Nested Table e m e 0 5 n D I s V m U . a 5-17 LIST OF ILLUSTRATIGNS PIGLIRETITLEPAGE3-1 3-2 3-3 3-4 5-l 7-1Typical Tie Line -. . m -. D r D.. s e D D m D D s r m 0 e 0. n D D D 3-2 Typical Foreign Exchange Line . n D D . 0 a m . s s . r D . D U m 3-3 Canadian WATS Zoning . D 0 . . s D . s D 0 s D . . m V m D 0 D D . 3-5 Typical SCC Arrangemeat m . D D . . . s 0 s . . . . D s s I e r 0 D 3-6ARS Table Hierarchy D 0 . r m . s r D D . D n m 0 0 0 s r D D m D . n D 5-2 Trunking Network V D 0 s 0 D D m 0. U D D -. . D D -. D s m q m D D e 7-3 7-2(a) Table Network (Part 1) . . . . , . e e m D . . D . . D . s . . D . e . 7-6 7-2(b)TableNetwork(Part2) .DD..D.~~~...rD*.rD~r.D~ 7-7 LIST OF TABLES iv
Automatic Route Selection and Toll Control 1. GENERAL introduction1 .OlThis Section contains a comprehensive description of the Auto- matic Route Selection (ARS) feature of the SX-ZOO@ DIGITAL PABX. Parts 2 and 3 provide the reader with background information on the North American Numbering Plan and on the routing options offered to PABX owners by telecommunications companies. A clear under- standing of these parts is essential in order to fully implement ARS. The remainder of the document is dedicated to a detailed description of ARS, which concludes with a description of how an ARS plan is prepared on paper, with a scenario centering around a fictitious com- pany. Reason for Reissue 1.02This Section is reissued, to provide a description of the opera- tion and available features of the SX-200” DIGITAL ARS/TollControl package in Generic 1000 and Generic 1001. ARS: General Description 1.03Within this practice references are made to “the customer”, “the installation company”, and “the user”. These are defined as follows: 0The customer is the owner of the SX-200@ DIGITAL PABX. eThe installation company is a company which is authorized by Mite1 to sell and install SX-200@ DIGITAL PABX. This company works closely with the customers to determine their require- ments and then installs and programs the system accordingly. 0The user is a person who makes use of the facilities of the PABX through oneof the system’s peripheral devices (telephone sets). 1.04When a trunk call is initiated from within a PABX there are a number of factors which govern its routlng and connection. They are: (a) route availability, where a route is defined as a collection of similar trunks within a Trunk Group; (b) cost, when more than one route exists; and (c) caller’s toll restriction (i.e.V whether -the caller is allowed to make such a call, and if so, on what routes). 1.05ARS is a standard feature of the SX-200* DIGITAL PABX, deriv- ing the answers to these questions automatically every time a trunk call is initiated, and routing the call accordingly. The process is totally transparent to the caller; no access code is required, and the process does not depend on a fixed numbering plan. Page l-l/l
Automatic Route Selection and Toll Control 2. NUMBERING PLANS General2.01The ARS feature is universal, insofar as it is compatible with any numbering plan which may be employed by any public network. It is, however, necessary to understand the numbering plan of the public network which serves the PABX in order to make full use of the toll application of the ARS feature. North American Numbering Plan 2.02The purpose of any numbering plan is to enable any subscriber in the network to be connected to any other subscriber in the network. When the North American numbering plan was introduced, subscribers were assigned a unique digit string comprising a maximum of 10 digits, compiled as follows: 613 -592 -2 122 Area Code TTTOffice Code Subscriber Number l-l2.03The area code defines a geographic telephone area; the office code identifies a central office (CO) within the area; and the subscriber number identifies a subscriber of the CO. 2.04It was possible to create a distinction between area and office codes by ensuring that the second digit of the area code was 1 or 0 and the second digit of the office code was any digit in the range 2 through 9. However, as the number of COs within each area grew, it became necessary to augment the supply of office codes by allowing the second digit of the code to be in the range 0 through 9. This produced a conflict between area and office codes, a conflict which was resolved by the introduction of the digit 1 as prefix to all area codes (e.g., l-61 3-592-2122). 2.05 The prefix digit 1 has now been generally adopted as a toll prefix in large areas, where toll charges are incurred for calls made between offices in the same area (e.g., 1-256-2122). 2.06In addition to the digit strings described above, there are sets of numbers which are reserved for special services, for example 411 for directory assistance. These numbers do not conflict with area or office codes. 2.07 The present North American numbering pian therefore com- prises digit strings of one, three, seven, eight, and 11 digits. Some examples are:Page 2-l
Automatic Route Selection and Toll Control Operator0Service Number 411Local Call592-1111 Toll Call Within an Area l-256-2222 Toll Call to Another Area l-416-486-3333 Toll Call Within an Area (NO 1 prefix) 256-2222 Page 2-2/2
Automatic Route Selection and Toll Control 3. CALL ROUTING OPTIONS General3.01Telephone companies offer a number of different methods of routing calls over the public network (e.g., tie trunks, WATS lines), each of which has a different cost structure. Correct use of these trunks can provide substantial savings to the user. 3.02 To determine which routing options are best suited to any given PABX a traffic survey should be completed by the in- stallation company prior to installation. The Traffic Measurement and Station Message Detail Recording features of the SX-2OOa DIGITAL PABX allow the use of these routes to be monitored once the system is installed, in order that they may be modified as traffic demands change.3.03The SX-200@ DIGITAL PABX supports the following long dis- tance services: 0Direct Distance Dialing (DDD) l Tie Line 0 Foreign ExchangelWide Area Telephone Service (WATS) 0Specialized Common Carrier (SCC). Direct Distance, Dialing 3.04Direct Distance Dialing allows telephone users to call subscrib- ers within the home and international networks without the assistance of the operator. Connections are completed over standard trunk routes and are charged on a usage basis at a rata which varies with distance, time of day, and day of the week. DDD rates are given in the local telephone directory, or contact the local Telephone Company for rate information not listed in the directory. Tie Line Service 3.05 Tie Line Service provides a “tie” between two PABXs. The charge for each tie line is a flat rate charge based on the airline mileage of the line. Figure 3-1 shows a typical tie line connection between an SX-200@ DIGITAL PABX in Ottawa, and an SX-200e DIGI- TAL PABX in Toronto. Foreign Exchange Service (FX) 3.06A Foreign Exchange (FX) Line can be thought of as a tie line between a PABX and a CO which is located in a telephone area other than that designated for the PABX. Via an FX Line, the PABX appears to the distant CO as a local subscriber and is billed accord- ingly for calls which are placed through that CO. FX lines have two applications. The first offers a method of reducing telephone cost in business situations where many toll calls are made to destinations which are within close proximity to one another. For example, a com-Page 3-1