MIDTERM NOTES

 

CHAPTER 5 TERMS

 

1.NECA- Nation Exchange Carrier Association -Formed in 1983 by the Federal Communications Commission (FCC) as a not-for-profit membership corporation, NECA plays an important role in administering the FCC's access charge plan -- a plan that helps ensure that telephone service remains available and affordable in all parts of the country. Directly and through its subsidiaries, NECA also administers a number of other significant federal and state programs, each designed to keep the United States telecommunications system the most widely used in the world.

NECA is governed by a board of directors <director.htm> elected annually by its local telephone company members. The 15-member board includes telephone company representatives as well as individuals from outside the telephone industry.


2.Exchange Network Facilities for Interstate Access (ENFIA) Exchange Network Facilities for Interstate Access (ENFIA) is AT&T's pricing arrangement for local loops offered to Other Common Carriers (OCCs) network to the local telephone company's central office (CO).

 

3. Feature Group A- Offers access to the local ecchange carriers network through ta sucbscriber type line connection arrrangement uset in the rearly days of  OCC's, until equal access using tan access tandern central office is available.

4. Feature Group B- is simialre to FGA, but provides a higher quality trunk connection from end CO to the IX carriers faciliteise, instead of teh subsciber type line. The IC customercan origingatea call form anywhere within the LATA, while FGA requires customers to initiate the call form within the local exchange carrier connectiong to the IXC. FGB billing to the IX are on a flat usege basi, adn a dicount is applicaible.

5.Freature Group C is  the traditional toll service arrangements offerd by LECs to AT&Tprior to breakup of the BELL System. Quality is uperior, and the ervice includes automatic nuberidntification of teh callng party, answerback, and disconnection supervision, and teh subscribers can use either a dial or touch tone pad. The FGC service is offerd only to AT&T without a discount.

6.Feature Group D is a clss of sevice assocated with equal access arrangements. All IX carriers enjoy identical connections to the local exchange carrier. All customer dial the smae number of digits, and can reach teh predetermined IX of therir choice by dialing 1 plus the telephone number being called. When equal acess is implementd , all other features groups convert to FGD count. In some cases an IX carrier may desire to maintain reates will apply.

7.CABS- Carrier Access Billing- Acess charges that are applied to each IXC accourding to the LATA in which they originateed or terminated toll traffic on the LEC local network.

8.Incumbent LECs- Short for incumbent local exchange carrier. An ILEC is a telephone company that was providing local service when the Telecommunications Act of 1996 was enacted. Compare with CLEC, a company that competes with the already established local telephone business

9.CLEC- A Competitive Local Exchange Carrier is a telephone company that competes with an Incumbent Local Exchange Carrier (ILEC) such as a Regional Bell Operating Company (RBOC), GTE, ALLNET, etc.

With the passage of the Telecommunications Act of 1996, there has been an explosion in the number of CLECs. The Act allows companies with CLEC status to use ILEC infrastructure in two ways:

1) Access to UNEs

Important to CLEC telecommunications networking is the availability of unbundled <network.htm> elements or UNEs (through a collocation arrangement). UNEs are defined by the Act as any "facility or equipment used in the provision of a telecommunications service," as well as "features, functions, and capabilities that are provided by means of such facility or equipment." For CLECs the most important UNE available to them is the local loop, which connects the ILEC switches <switch.htm> to the ILEC's present customers. With the local loop, CLECs will be able to connect their switches with the ILEC's switches, thus giving them access to ILEC customers.

2) Resale

Another option open to CLECs is the resale strategy. The Act states that any telecommunications services ILECs offer at retail, must be offered to CLECs at a wholesale discount. This saves the CLEC from having to invest in switches, fiber optic transmission facilities, or collocation arrangements.

In any case, a CLEC may decide on one or the other or even both. So, you can see why obtaining CLEC status is very beneficial, especially for <ISP.htm>s, who may easily get access to the copper loops and other switching elements necessary to provide <xDSL.htm> services.

Recently courts, in response to the growth of cable Internet access, have also required cable companies to follow the same guidelines as ILECs.

Applying for CLEC status is a very tedious and complex process that involves a Regulatory Attorney or Consultant, the State Public Utilities Commission, and about 50 other steps. But remember, it will be worth it, and now is a good time, because the courts continually are trying to force ILEC costs to CLECs down and are making access to UNEs easier in the name of fair competition. So, get in before regulators begin to re-regulate the other way.

10. ETCs-Eligible Telecommunication Carriers -An State selected LEC to recieve Federal universal service support.

11.TRS-Telecommunications Relay Services fund a nationwide program taht helps speech and hearing impaird individuals make telephone calls, using specialized equipment, to others with convential CPE facititeis.

12.Traffic Sensitive costs- elements that are used exclusivley for hauling tooll traffic beyond the exchange carriers end central office.

13. Non Traffic Sensitive cost- are elements involving the end central office and the lines to the end user premises all of twich are used intermittently for local, intrastate,and interstated toll.

 

Chapter 6 Terms

 

1.   Message Telecommunications Service (MTS) - is the official designation for long distance, or toll , calls. It is a tow way , interexchange  communication for voice, data, facsimile, image and other forms of intelligence.

2.   Wide Area Telecommunications Service(WATS)- is a discounted MTS offering. Because the subscriber commits to using long distance facilities in advance, the rates are cheaper than the regular MTS toll rates.

3.   Exchange Telecommunications Service- the term used for local or nontoll calling.

4.   Inside Plant- facilities used to bring services to the CPE and is Located at the CO

5.   Outside Plant(OSP)-facilities used to bring services to the CPE and is Located outside the CO

6.   Feeder Cables- the cables connecting CO's to OSP's and CEV's etc.

7.   Distribution Cables-feeder cables are devided in to smaller bundles called Distribution Cables

8.   Jumper wires- used to cross connect feeder blocks and distribution block. Done by placeing between terminal blocks.

9.   Line-The communication path that connects subscribers CPE to a switching system.

10. Trunk-The communications path that connects two switching systems

11. Trunk Circuit-a constance interface between the switch and the transmisson  facility.

12. Network Interface Device (NID)-The device that the LEC  uses to protect and communicate with the CPE.

13. Closure- is used to achieve a physical connections of the drop to the distribution facility

14. Ready access splice case- is when the closure is supported by an aerial cable

15. CEV-Controlled Environmental Vaults- Under ground chambers that have the OSPs cross connect terminal cabinets in them.

16. Service Entrance-the physical entry of feeders in to the CO building.

17. Toll Tandems-Tandems that are involved with setting up connections for toll calls over long distances where direct end office trunks cant exist.

18. Multiplexing-superimposeing several conversations simultaneously on a single physical communication path by means of transmission system.

 

Chapter 7 Terms

 

  1. Current-the movement of electrons through a conductor
  2. Voltage-the electric pressure that causes electrons to flow
  3. Closed Loop-aka circuit, a conductor completed with no gaps
  4. Ground-the physical connection to the ground that can be used to complete a circuit
  5. Resistance-anything that slows current and voltage from the end circuit
  6. Long line adapters-used to increase the voltage, etc.  in order to push current  through the loop
  7. Electromechanichal- such devices as transmission systems, switchboards, etc. that are controlled by electromagnets  
  8. Inductance-quantity that measures the electromagnetic induction of an electric circuit component; it is a property of the component itself rather than of the circuit as a whole. The self-inductance, L, of a circuit component determines the magnitude of the electromagnetic force (emf) induced in it as a result of a given rate of change of the current through the component.
  9. Capacitance- in electricity, capability of a body, system, circuit, or device for storing electric charge. Capacitance is expressed as the ratio of stored charge in coulombs to the impressed potential difference in volts. The resulting unit of capacitance is the farad [for Michael Faraday]. In an electric circuit the device designed to store charge is called a capacitor.
  10. Impedance- in electricity, measure in ohms of the degree to which an electric circuit resists the flow of electric current when a voltage is impressed across its terminals. Impedance is expressed as the ratio of the voltage impressed across a pair of terminals to the current flow between those terminals.
  11. Frequency-the reoccurrences of  current peaking and toughing
  12. Wavelength-the distance from the center of one compression to the center of the next in one cycle
  13. Line circuits-every switching system always has one device decdicated to each subscriber line that acts as a sensing unit.
  14. Sound-is the disturbance of the air molecules, or whatever medium it is traveling trough.
  15. Analog signals- the signal is various continuously and exactly analogous to another activity
  16. Digital signals-comprised of a noncontiguous stream of on off pulses that portrays another activity by means of code.
  17. Power-the rate of doing work. Is measured in watts

 

 

 

CHAPTER 5

ACCESS CHARGES

 

·         THIS CHAPTER DEALS WITH THE LECS A LITTLE BIT MORE PAIDE BACK SINGLE TO LATER RESULTS OF FCC AND FEDERLA GOVERNMENT ENACTED COMPENTITION.

·         MFJ-REMOVED 50% OF THE RBOCS INCOME BY PROHIBITING RBOCS FROM F INTERATA TOLL.

·         OCCS NEEDE TO REMBECS THE LECS

·         FCC PASSES A SPECIAL TARIFF ENFIA-(EXCHANGE NETWORK FACILITIES FRO INTERSTAE ACCESS) CHARGED ON A MINUTE BY MINUTE BASE

·         OCCs- COULD GET UP TO 55% DISCOUNT  OFACEE CHARGE

·         IN THE END  THE OCCs AY 100% OF TEH ENFIA TARIFF

·         IXCs CONTINUED TO PAY AND END USERS GOT CHARFGED FOR USE OF LESS ASSESTS.

·         NEC-NATIONAL EXCAHNGE COMMISITON- SPONCERED COLLECTIONS OF MONIES FOR LECs AND DISTRIBUTION OF MONIES FOR LECs. THE MONEY LEFT OVER WAS GIVEN TO THE LARGEST LEC. <---POOL COMMON LINE TARIFF AND REVENEW POOL. <---  HELPED SMALL HIGH PRICE TELCOs HOLD DOWN THEIR ACCESS CHARGE RATES.

·         EVENTUALY ROBCs AND LARGE ITCs LEFT NEC. BUT STILL HAD TO CONTRIBUTE TO THE POOL.

·         CABs(CARRIER ACCESS BILLING)-SPECIALIZED WAY THE LEC BILLED IXC (WAS ITEMIZED) BASED ON WHERE  CALL ORIGINATED FROM WITH IN LATA AND TERMAINATED.

·         RESULTING REVENUE IS 70% OF LECs INCOME

·         FCC ASKED LECs TO FILED THEIR ACCESS CHARGES BASED ON TS(TRAFIC SENSITIVE) & NTS(NON TRAFIC SENCETIVE)

·         NTS LOCAL SUBSCIRIBER LOOP (END USER) A FLAT RATE WA CHARGED- THAT IS CALLED THE END USER COMMON LINE CHARGE.(EULC)

·         IXCs MUST PAY SWITCHED ACCESS SERVICE CHARGE FOR TS & NTS  END C/O SWITCHING FUNCTING ASED ON FEATURE GROUP A,B,C,,D

·         A-IXC BILLED BY FLAT MONOTARY RATE RATEHR THEN ENFIA MINUITE BY MINUITE RATE.

·         B-ORIGINATE CALL ANY WAERE IN THE LATA , NOT JUST THE LECs UARENTEES HIGH ER QUALITY TRUNK CONNECTIONS.(TRUNK - CONNECTION BETWEEN CENTRAL OFFICES)

·         C-OFFERD ONLY TO AT&T WITHOUT DISCOUNT (TRADITIONAL TOLL SERVICE) ARRANGEMET OFFERED BY LECs  TO AT&T BEFORE BREAKUP HAD GOOD LINES DISCONNECT SUPERVISSION ETC. (AT&T DOES NOT GET THE DISCONT BUT ALL OTHERS DO)

·         D- ALL IXCs GET AN EQUAL ACCESS RATEAND ARE BILLE FOR MESURED USE.

·         SPECIAL ACCESS CAHRGE(WHAT IXC PAY FOR  ON SWITVHED PRIVATE LINE SERVICES.

·         ETCs-ELIGIBLE TELECOMMUNICATIONS CARRIERS) RUAL AREAS 

·         SINCE THE TELCOM ACT OF 1996 THE FCC WANTS EVERYONE TO INTERCONNECT TO EVERYONE.

·         EXAMPLE IF YOU CHANGE YOU KEEP YOU SAME PHONE NUMBER

·         INCUMBENT LEC- MUST SERVE THE THE CLEC-(COMPETITIVE  LOCAL EXCHANGE CARRIER)  THE INCOMBETN LEC IS THE ALREADY EXISTNG LEC IN AN AREA AS OF 2/8/96 AND COMPETITIVE OR CLEC IS ONE WHO COMES IN TO COMPETE.

·         INCUMBETNT LEC- FCC IMPLEMENTING NEW RULES INCUMBETN LEC MUST PROVIDE AND TECHNIALL FEASIBLE POINT FOR CLEC TO INTRECONNECT.

·         FCC WANTS COMPETITORS TO HAVE EQUAL ACCESS BUT THEYDO WANT THE APPERIENCE OF PROTECTIONSIMS.

 

 

CHAPTER 6

SERVICE ENTRY -AKA FIREWALL

TLP-

·         TANDEM OFFICEFS-MOST SET UP TOLL CALLS,WHERE THE END OFFICE TRUNKS CANNOT EXISTS

·         TOLL TANDEMS- THEIR TRUNKS ARE CALLED ITTs(INTER TOLL TRUNK)

·         OTHER TOLL TANDEMS TRUNKS ARE CALLED TOLL COMPLETING OR TOLL CONECTING TRUNKS

·         FORIEN EXCHANGE TRUNK- a trunk that connects to a different CO then the one serviceing them.

·         ClOSED END- the  end of connected to user’s CPE where the call con progress no further.

·         OPEN END-The opposite end that originates the dial tone.

·         OPX-OFF PREMISESE EXTENSION-REPEARTER OF EXTERNDER.

 

·         LATA to LATA in another state---interstate/inter LATA

·         LATA to LATA in same state---intrastate/inter LATA

·         Within the same LATA ---intrastate/intra LATA

 

·         WATS-Wide Area Telecommunications Service

 

o        WATS-outward-where the person dialing the call is charged for the long distance call

§         DDD-Direct Distance Dialing- where you don’t use the operator in order to make a toll call

o        WATS-inward-Where the people who are being called are charged for the long distance call (exp. 1 800, 1 888, 1 900,

·         Private Line Service- These are direct dedicated line from one point to another.

·         Exchange Service- Local or non tolling calls.

·         OSP-Outside Plant- all equipment and devices that are not located in the CO.

·         CEV-Controlled Environmental Vaults-these are underground switching stations with controlled environments.

·         NID-Network Interface Device- It is a serge protector from lighting or high voltage.

·         Closure-a weather proof box that allow the drop to connect to the line that leads back to the CO

o        Ready Access Spice Case-when the line come form an aerial cable.

o        Underground Terminal Box or Pedestal- when the cable comes from a berried line

·         Service Entrance- Actual entry of the feeders into the CO

·         End Office Trunks-trunks between end office in different geoigraphical locations

·         ITT-Intertoll Trunks- communication paths between toll tandems.

·         TCT-Toll Completing or Toll Connecting Trunks- toll tandems trunks that can connected to any other type of office.

·         KTS-Key Telephone Systems- This is a very low tech physical way of phone switching.

·         PBX-Private Branch Exchange-switching system similar to the trunk switches in the CO’s

·