Tải bản đầy đủ (.pdf) (604 trang)

Wiley telecom for dummies apr 2006 ISBN 047177085x

Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (2.47 MB, 604 trang )

TelecomforDummies
byStephenP.Olejniczak
JohnWiley&Sons2006(386pages)
ISBN:047177085X

Includinganoverviewofthemajorplayersinthe
telecomindustryandanexplanationoftheexisting
infrastructure,thisbookhelpspeoplepinpointthe
telecomservicesbestsuitedtotheirbusinessneeds,
understandbilling,andtroubleshootproblems.

TableofContents
TelecomforDummies
Introduction
PartI-TheABCsofTelecomService
Chapter1 - ABuyer’sScooponTelecom
Chapter2 - Making(AndLivingwith)Telecom
Decisions
Chapter3 - GettingAroundtheTelecom
Neighborhood
PartII-ReviewingTelecomProductsandPrices
Chapter4 - UnderstandingDedicatedService
Requirements
Chapter5 - MeetingToll-FreeService,theRedHeadedStepchildofTelecom
Chapter6 - GettingtheNon-Accountant’sGuideto
YourPhoneBill
PartIII-OrderingandSettingUpTelecom
Service
Chapter7 - OrderingRegularPhoneLinesandNew
Long-DistanceService



Chapter8 - OrderingDedicatedService
Chapter9 - OrderingToll-FreeService
Chapter10 - ActivatingYourDedicatedCircuitandTollFreeNumbers
PartIV-TakingCareofYourTelecomSystem
Chapter11 - MaintainingYourTelecomServices
Chapter12 - TroubleshootingSwitchedNetworkIssues
Chapter13 - TroubleshootingYourDedicatedCircuits
PartV-What’sHot(OrJustGeeky)inthe
TelecomWorld
Chapter14 - TransferringData,NotJustVoiceContent
Chapter15 - RidingtheInternetWave:VoIP
PartVI-ThePartofTens
Chapter16 - TenAcronymsandWhatTheyReally
Mean
Chapter17 - TenTroublesomeTelecomTraitstoAvoid
Chapter18 - TenPlacestoGoforHintsandHelp
Appendix - MakingaLoopbackPlug
Index
ListofFigures
ListofTables
ListofSidebars


BackCover
Worldwidetelecomspendingwasover$4trillion
in2004,andvirtuallyall12millionbusinessesin
theU.S.buyphoneandothertelecomservices
Ourbookshowspeopleatsmall-andmediumsizedbusinesseshowtomakesenseoftelecom
lingoandgetthebestdeals

Includesanoverviewofthemajorplayersinthe
telecomindustryandaneasy-to-understand
explanationoftheexistingtelecominfrastructure
Helpspeoplepinpointthetelecomservicesbest
suitedtotheirbusinessneeds,understandbilling,
andtroubleshootproblems
Coversemergingindustrytrends,suchasVoice
overInternetProtocol(VoIP),andhowtheycan
helpbusinessescutcosts
AbouttheAuthor
StephenOlejniczakistheDirectorofOperationsforATI
Communications,andhasovertenyearsoftelecom
experienceunderhisbelt.Hisinitialjobintelecomwas
provisioningdataservices,eventuallytakingaposition
asthecustomerservicemanagerforasmalllongdistancecompany,andfinallyasitsmanagerof
dedicatedprovisioning.
Stephendidnotstartoutinlifeasatechie,onlyfalling
preytotheglamourandeasymoneyafterfailingto


findacareerthatenabledhimtousehisBachelors
degreeinCulturalAnthropology.


TelecomforDummies
byStephenP.Olejniczak
Publishedby
WileyPublishing,Inc.
111RiverStreet
Hoboken,NJ07030-5774

www.wiley.com
Copyright©2006byWileyPublishing,Inc.,Indianapolis,Indiana
PublishedbyWileyPublishing,Inc.,Indianapolis,Indiana
PublishedsimultaneouslyinCanada
Nopartofthispublicationmaybereproduced,storedinaretrieval
systemortransmittedinanyformorbyanymeans,electronic,
mechanical,photocopying,recording,scanningorotherwise,exceptas
permittedunderSections107or108ofthe1976UnitedStatesCopyright
Act,withouteitherthepriorwrittenpermissionofthePublisher,or
authorizationthroughpaymentoftheappropriateper-copyfeetothe
CopyrightClearanceCenter,222RosewoodDrive,Danvers,MA01923,
(978)750-8400,fax(978)646-8600.RequeststothePublisherfor
permissionshouldbeaddressedtotheLegalDepartment,Wiley
Publishing,Inc.,10475CrosspointBlvd.,Indianapolis,IN46256,(317)
572-3447,fax(317)572-4355,oronlineat
/>Trademarks:Wiley,theWileyPublishinglogo,ForDummies,the
DummiesManlogo,AReferencefortheRestofUs!,TheDummiesWay,
DummiesDaily,TheFunandEasyWay,Dummies.com,andrelated
tradedressaretrademarksorregisteredtrademarksofJohnWiley&
Sons,Inc.and/oritsaffiliatesintheUnitedStatesandothercountries,
andmaynotbeusedwithoutwrittenpermission.Allothertrademarksare
thepropertyoftheirrespectiveowners.WileyPublishing,Inc.,isnot
associatedwithanyproductorvendormentionedinthisbook.


LIMITOFLIABILITY/DISCLAIMEROFWARRANTY:THE
PUBLISHERANDTHEAUTHORMAKENOREPRESENTATIONS
ORWARRANTIESWITHRESPECTTOTHEACCURACYOR
COMPLETENESSOFTHECONTENTSOFTHISWORKAND
SPECIFICALLYDISCLAIMALLWARRANTIES,INCLUDING

WITHOUTLIMITATIONWARRANTIESOFFITNESSFORA
PARTICULARPURPOSE.NOWARRANTYMAYBECREATED
OREXTENDEDBYSALESORPROMOTIONALMATERIALS.
THEADVICEANDSTRATEGIESCONTAINEDHEREINMAYNOT
BESUITABLEFOREVERYSITUATION.THISWORKISSOLD
WITHTHEUNDERSTANDINGTHATTHEPUBLISHERISNOT
ENGAGEDINRENDERINGLEGAL,ACCOUNTING,OROTHER
PROFESSIONALSERVICES.IFPROFESSIONALASSISTANCE
ISREQUIRED,THESERVICESOFACOMPETENT
PROFESSIONALPERSONSHOULDBESOUGHT.NEITHER
THEPUBLISHERNORTHEAUTHORSHALLBELIABLEFOR
DAMAGESARISINGHEREFROM.THEFACTTHATAN
ORGANIZATIONORWEBSITEISREFERREDTOINTHIS
WORKASACITATIONAND/ORAPOTENTIALSOURCEOF
FURTHERINFORMATIONDOESNOTMEANTHATTHE
AUTHORORTHEPUBLISHERENDORSESTHEINFORMATION
THEORGANIZATIONORWEBSITEMAYPROVIDEOR
RECOMMENDATIONSITMAYMAKE.FURTHER,READERS
SHOULDBEAWARETHATINTERNETWEBSITESLISTEDIN
THISWORKMAYHAVECHANGEDORDISAPPEARED
BETWEENWHENTHISWORKWASWRITTENANDWHENITIS
READ.
Forgeneralinformationonourotherproductsandservices,please
contactourCustomerCareDepartmentwithintheU.S.at800-762-2974,
outsidetheU.S.at317-572-3993,orfax317-572-4002.
Fortechnicalsupport,pleasevisitwww.wiley.com/techsupport.
Wileyalsopublishesitsbooksinavarietyofelectronicformats.Some
contentthatappearsinprintmaynotbeavailableinelectronicbooks.
LibraryofCongressControlNumber:2005937358



ISBN-13:978-0-471-77085-5
ISBN-10:0-471-77085-X
ManufacturedintheUnitedStatesofAmerica
10987654321
1B/SR/QT/QW/IN
AbouttheAuthor
StephenOlejniczak(pronouncedole-en-ee-check)istheDirectorof
OperationsforATICommunications,andhasovertenyearsoftelecom
experienceunderhisbelt.Hisinitialjobintelecomwasprovisioningdata
services,eventuallytakingapositionasthecustomerservicemanager
forasmalllong-distancecompany,andfinallyasitsmanagerof
dedicatedprovisioning.
Stephendidnotstartoutinlifeasatechie,onlyfallingpreytothe
glamourandeasymoneyafterfailingtofindacareerthatenabledhimto
usehisBachelorsdegreeinCulturalAnthropology.Hecurrentlylivesin
thequainthamletofLagunaBeach,California,withhiswife,Kayley,and
acollectionoffountainpens.
Dedication
Thisbookisdedicatedtotheentiretelecomindustry.FromtheCEOsof
largecarrierstoeveryonethatsupplies,sells,orusesphoneservice(I
guessthatiseveryoneintheworld),Igiveyouthistomeofinformation.
TheprimarygroupintheindustrytowhomIdedicatethisbookarethose
newemployeeswhohavejustenteredthewildworldoftelecom.The
learningcurveintelecomisverticalforatleastthefirstsixmonths,andit
iseasytofeelover-whelmed.Don’tletanyonetalkdowntoyou,because
weallstartedoutknowingnothing.
Author’sAcknowledgments
Thegreatestmotivationandsupportforthisbookcamefrommybeautiful
wife,Kayley.Iamgladthatitiscompleteandwecannowtravelagain.



Thisbookwouldnotbecompletedifitweren’tfortheguidanceofmy
Wileyeditor,NicoleHaims,whotookthroughtheentireprocess.Imust
alsoacknowledgethegreatworkputforwardbymytechnicaleditor,
FrankPiotrowski,whovalidatedeverythingIwrote,downtothe
molecularlevel.AdditionalpropstoKeziaEndsleyforcopyediting
assistance.IalsoreceivedinvaluableinputfromBradyKirby,ofAtlas
VoIPCommunications,aswellasmyfriends,ChrisLynchandCarl,who
keptmeontrackandrunninginthedatasections.Theseareonlya
handfulofthebrilliantpeopleIhavespokenwithovertheyears,from
whomIhaveextractedvaluableinformationthatwasquicklyusedto
mentormyemployeesandcustomers.
Finally,Imustgivethankstoeverycustomer,salesperson,andcoworker
whoaskedmethesamequestionsoverandover(andover)again.I
wasn’tpraisingyouafterwechattedat3:30a.m.onaSaturdaybecause
youwantedtoknowthecountrycodeforSierraLeone,butnowIrealize
youhavegivenmethedepthandbreadthofinformationnecessaryto
writethisbook.
Publisher’sAcknowledgments
We’reproudofthisbook;pleasesendusyourcommentsthroughour
onlineregistrationformlocatedatwww.dummies.com/register/.
Someofthepeoplewhohelpedbringthisbooktomarketincludethe
following:
Acquisitions,Editorial,andMediaDevelopment
ProjectEditor
NicoleHaims
CopyEditor
KeziaEndsley
AcquisitionsEditor

MelodyLayne
TechnicalEditor


FrankPiotrowski
EditorialManager
JodiJensen
MediaDevelopmentManager
LauraVanWinkle
EditorialAssistant
AmandaFoxworth
Cartoons
RichTennant(www.the5thwave.com)
Composition
ProjectCoordinator
AdrienneMartinez
LayoutandGraphics
CarlByers
AndreaDahl
LynseyOsborn
Proofreaders
LeeannHarney
JoeNiesen
JessicaKramer,TECHBOOKSProductionServices
Indexer
TECHBOOKSProductionServices
PublishingandEditorialforTechnologyDummies
RichardSwadley,VicePresidentandExecutiveGroupPublisher
AndyCummings,VicePresidentandPublisher
MaryBednarek,ExecutiveAcquisitionsDirector



MaryC.Corder,EditorialDirector
PublishingforConsumerDummies
DianeGravesSteele,VicePresidentandPublisher
JoycePepple,AcquisitionsDirector
CompositionServices
GerryFahey,VicePresidentofProductionServices
DebbieStailey,DirectorofCompositionServices


Introduction
WelcometoTelecomForDummies,abookforpeoplewhoworkin
telecom(99percentofwhomcomeintotheindustrythroughnofaultof
theirown).You’reprobablyaverysmartperson,andsoyourboss
decidedtogiveyoutheresponsibilityofhandlingthatexpensive
communicationnetworkthatkeepsthecompanyinbusiness.Don’t
worry!Thisbookcanhelpyouworkthroughalmostanyquestionyou
haveabouttelecom.Intheend,youwillbeverycomfortablewithyour
newenvironmentandyouwillcontinuetoimpressothersasthewonder
kidtheyalwaysbelievedyoutobe.
Thisbookcontainseverythingyouneedtoknowtoorder,maintain,and
troubleshootbasicphoneservice.Itcoversthenutsandboltsofhow
phonesystemswork,whytheywork,andwhyitsometimestakessolong
forthemtowork.Whenyouhavequestions,simplytrackdownthe
chapterandsubsectionthatcoverstheissueinquestion,andafteralittle
reading,youwillbeabletotalktoanytechnicianwithconfidence.


AboutThisBook

Thisbookwasnotintendedforbedtimereadingfromcovertocover.Itis
averyhelpfulreferencefortelecomproducts,applications,and
troubleshooting.Thefirstfewpartscoverfindingaphoneservicethat
bestsuitsyourbusinessneeds.Anotherpartprovidestheinsandoutsof
orderingwhatyouneed.Ifyoualreadyhaveaphonesystemsetup,
movetothepartthatcoverswhatyouneedtoknowtotroubleshootthe
circuitsandsystemsyou’veinstalled.
Everychapterhasbeenwrittenwithyou,notanMITtechnician,inmind.
Theinformationiseasytounderstandanddigest,evenifyouhave
absolutelynopriortelecomknowledge.Ifadditionalinformationmightbe
helpful,Ireferyoutoanotherchapterformoreinformation.
TelecomForDummiesisapplicabletoalmostallphoneserviceinNorth
America,includingCanada,manyoftheCaribbeancountriesandGuam.
Theregulationsandinfrastructurefortelecomvarybetweenmost
countries,andalthoughsomeaspectsmaybeapplicableinEuropeand
Asia,thestepsfororderingandtestingsystemsvary.


ConventionsUsedinThisBook
We’veusedafewconventionsinthisbooktomakeiteasierforyouto
spotspecialinformation.Herearethoseconventions:
Newtermsareidentifiedbyusingitalicandfollowedbyashort
definition.
Websiteaddresses(URLs)aredesignatedbyusinga
monospacefont.
IfItellyoutodialanumberortypeaspecificcommand,the
commandappearsinboldface.


WhatYouDon’tHavetoRead

Youdon’thavetoreadanythingthatdoesn’tapplytoyourneeds.Ifyou
don’thaveaphonesystem,ordedicatedcircuits,orplaceany
internationalcalls,forexample,youcanignorethesectionsthatcover
them.Thebookcontainsenoughgreatinformationthatyouwon’thurtmy
feelingsbyjumpingfromchaptertochapter(orevenfromsectionto
section).


IconsUsedinThisBook
TelecomForDummiesincludesiconsthatpointoutspecialinformation.
HerearetheiconsIuseandwhattheymean:
TipThisiconmakesyoufeellikearealtelecompro.Ithighlightsspecial
tricksandshortcutsthatmakeunderstandingandmaneuveringwithinthe
vasttelecomworldeveneasier.Don’tskipthisinformation!
RememberThisiconremindsyouofimportantinformationthatcanbe
fartooeasytoforgetandwhichcancausealotoffrustrationwhenyou
doforget.
Warning!Becarefulwhenyouseethisicon.Itpointsoutanareawhere
you’llwanttobeextracautioussothatyoudon’tcauseyourself
problems.Italsotellsyouhowtoavoidtheproblems.
TechnicalStuffTechnicalStuffisinformationforfolkswhowantto
knowallthegeekydetails.


FoolishAssumptions
Iassumethatyouhaveseenaphone,dialedaphone,andhavehada
conversationonaphonebefore.Inadditiontothat,yourjobissomehow
linkedtobuying,selling,using,orsupportingsomekindof
telecommunicationsservice.Iassumethefollowingaboutyoureveryday
contactwithtelecomtoolsandsystems(perhapsyoudon’tfitinevery

oneofthesescenarios,butyourecognizeyourselfinatleastafewof
them):
Youhavetomakedecisionsonbuyingorupgradingphone
services.
Youhavehadproblemsorderingphoneserviceinthepastand
wanttoknowsometipsonhowtokeepmovingforwardwithout
unnecessarydelays.
Youhaveaninventoryoftoll-freenumbersthatyoumust
manage.
Youwanttofindthemostefficientwaytospeaktoyourcarriers
andhardwarevendorssotheyunderstandyourneedsand
expectations.
Youwouldliketohavethepowertotroubleshootissues,suchas
failedcallsandqualityissues,withoutrelyingonsomeoneelse
foranswers.


HowThisBookIsOrganized
TelecomForDummieshassixparts.Eachpartisself-contained,butall
thecontentissomewhatinterconnected.Thatwayyou’llseethemost
usefulinformationwithoutalotofboringrepetition.

PartI:TheABCsofTelecomServices
Thispartexplainsthelandscapeoftelecom,thekeyplayers,andhow
theyworktogether.Idescribethedifferencesinresponsibilitiesbetween
local,long-distance,andwirelesscarriers.Ialsoincludeinformationthat
introducesthebasictelecomfeaturesandoptions.

PartII:ReviewingTelecomProductsandPrices
Noteverytelecomproductisrightforeverycustomer.PartIIreviewsthe

mostcommontelecomproductssothatyoucanevaluatewhichofthem
arerightforyourbusiness.Thispartcoversawiderangeofservices,and
helpsyouanalyzewhetheryoushouldjumpfromregular(switched)
phoneservicetodedicatedphoneservice.Italsogivesyouthelayofthe
toll-freelandandhelpsyoumaneuverthroughyourphonebill,lookingfor
areasthatarecostingyoumoremoneythantheyshould.Stopthe
bleedinginthispart,andfigureoutwhichofyourpotentialtelecom
investmentswillgiveyouthebestreturn.

PartIII:OrderingandSettingUpTelecomService
Thesecondmostpainfulaspectoftelecomisorderingnewservice(see
PartIVforthemostpainfulaspectoftelecom).Thispartguidesyou
throughtheorderingprocessforallservices,fromregular(switched)
phonelinestodedicatedcircuits,totoll-freeservice.Becausededicated
andtoll-freeservicesarecomplicated,Iincludeachapterinthispartthat
goestheextramile,showingyouhowtoactivatetheseservicesafteryou
orderthem.Allalongtheway,Itellyouaboutpotentialpitfallssothatyou
cansuccessfullyavoidthem.

PartIV:TakingCareofYourTelecomSystem


Themostpainfulaspectoftelecomistroubleshootingproblems.The
issueafflictingyoursystemmaybehugeormicroscopic,butyoustill
needtofixit.PartIVcoverstroubleshootingswitchedphonelines,
dedicatedphonelines,andtoll-freeserviceinastep-by-stepmannerthat
enablesyoutomakequickworkofalmostanyproblem.Byfollowingthe
rulesIsetoutforyouinthispart,youcansystematicallyidentify
problemsandkeepyourtechniciansfromgoingonawildgoosechase.


PartV:What’sHot(OrJustGeeky)intheTelecomWorld
ThechaptersinPartVcovertheworldoftelecom—beyondvoicephone
calls.Icoverthebasicsofdatatransfertechnologies,andthehottest
buzzwordintelecomrightnow,VoIP.PartVwon’tshowyouhowtowrite
thecodetotransferthedata,butitdoesgiveyouanoverviewofthe
newestandgreatesttechnology,givesyousomehintsonpricing,and
tellsyouaboutthehardwarerequiredtocreateadata-transferinterface
withyourcarrier.

PartVI:ThePartofTens
PartVIcoversindustrybuzzwords,personalitydisorders,andwhereto
goforhelp.How’sthatforamélange?Whenyouusecommonacronyms
casuallywhenspeakingtoyourcarrierrepsandtechnicians,theyknow
thatyou’renotcluelessabouttelecom.Thesectionontelecomtraits
providesbehaviortolookoutforandhintsonhowtoavoidit.Finally,the
lastchapterlistsresourcestotapintowhenyouareatyourwit’send.
AttheendofthePartofTensisanappendixItackedontoshowyou
howtomakemaleandfemaleloopbackplugs.Theselittlegadgetsare
simpleandsmall,buttheyareinvaluabletotroubleshootingphone
systems.


WheretoGofromHere
ThebestplacetostartonthisbookistheTableofContentsorIndexif
youwanttokeyinoninformationaboutaspecifictopic.Notsurewhether
youhaveadedicatedcircuitorwhatyourlocalcarrier’sresponsibilities
are?Chapter1canhelpyougetyourbearings.
Dependingonthespecificaspectoftelecomyouneedtoresearch,you
maywanttojumptoChapter6tofindoutaboutwhat’sgoingonwith
yourphonebill,orifyou’reexperiencingamajormalfunctionrightnow,

skiptoChapter13tofigureouthowtotroubleshootyourdedicated
circuit.Thisisyourbuffetoftelecomgoodies;checkouttheentire
offeringanddiveintothesectionsyouthinkaretasty.


PartI:TheABCsofTelecomService


ChapterList
Chapter1:ABuyer’sScooponTelecom
Chapter2:Making(AndLivingwith)TelecomDecisions
Chapter3:GettingAroundtheTelecomNeighborhood


Inthispart...
Yougetanoverviewofthekeyplayersintelecom,aswellasan
introductiontothestructuresthatallowtheseplayerstoworktogether.
Thispartalsooffersyouguidelinestoidentifythephonesystemyouare
currentlyusing,tohelpyoudeterminewhetheryourbusinessisagood
candidatefordedicatedphoneservice,andtohelpyouidentifythe
hazardsoftelephonefraud.Thispartwrapsupwithanoverviewofhow
callsareclassifiedandexplainswhyyourinternationalcalltoCanada
doesn’trequireyoutodial011.


Chapter1:ABuyer’sScooponTelecom


InThisChapter
Gettingageneralunderstandingoftelecom

Checkingouttheplayers
Planningandimplementingeffectivetelecomsystems
Makingmajortelecomdecisions
Findingpeopletohelpyoumaketherightchoices
Settingupforfutureexpansion
Troubleshootingyourtelecomsystem
Everybusinessintheworldeitherusesorcouldbenefitfromusingphone
service.Evenifyourbusinessdealsdirectlywiththepublic,youstillneed
tocallyourmanufacturerforupdatesonshipments,checkontheadsyou
havegoingout,andmakesureyouraccountanthasallofyourfinancial
information.Asyourbusinessgrows,sodoesyourneedforphonelines,
notjusttoenableyoutospeaktoyourcustomersandsuppliers,butalso
totransmitdatabetweenoffices,andpossiblyevenmaintainaWebsite
toreceiveandtrackorders.
Growthinbusinessisgreat,butyoumayeasilyfindyourself
overwhelmedbythelogisticsinvolvedinallthechanges.Thephone
systemyouhad2yearsagomayhavebeenperfectforyouatthetime,
buttodayyouhave20newemployeesinhouse,5newoutsidesales
reps,andtheWebsiteforInternetordersisbeingreleasednextweek.If
thatisthecase,youhaveprobablyout-grownyouroldtelephonesystem.
Theimportantthingtoknowishowtogaugethetechnologyyouhave,
whereyouaregoing,andwhattechnologyyouneedtogetthere.Inthis
chapter,Ihelpyoufigureoutwhatyou’redealingwithandgetyoustarted
onyourquesttoimproveyourtelecommunication,ortelecomsystem.


AssessingYourTelecomServicesAsTheyAre
Now
Atthemostbasiclevel,telecomreferstoanyservicethatisprovided
overphonelines.Includedinthisdefinitionare

Internetconnectionsoverdedicatedcircuitsordial-upmodems
Regularphonelinesusedtoplaceandreceivecallstoyourmom
High-speeddatalinksusedfortransmittinginformation
Whenyouboilthingsdown,allphoneservicecanbereducedtothe
samebasicprinciplesoftransmittingandreceivingsignalsoverfiberoptic
orcopperwire.
Forexample,ifabackhoecutsthroughafiberopticcablethatsupplies
yourInternetconnection,alongwiththeservicefromyourlocalcarrier,
youronlyconnectiontotheoutsideworldbecomesyourmobilephone.If
yourmobilephoneprovideralsousesthatlinktocompletecalls,youstill
maynothaveaconnectiontotheoutsideworld.Withtheincreasein
redundancybeingbuiltintothelocalandlong-distancenetworks,you
shouldn’thaveanoutagethatcompletelyshutsdownyourservice.Ifyou
haveagoodtelecomsystem,when(notif)abreakdowninthenetwork
occurs,stoppingcallsfrompassingthroughtheeastsideoftown,your
systemcanautomaticallyroutecallstoanalternativenetworkonthe
westside.
Manycompaniesrelyheavilyupontheirphoneservice,andanyoutage,
nomatterhowsmall,hasalargeimpact.Sometimestheproblemisan
actofGod,(sayyourcarrier’sswitchisstruckbyaboltoflightening,
reducingittoasmolderingbrickofsiliconandsteelvaluableonlyasa
pieceofmodernart).Otherissuesmaybetheresultofbottlenecksin
yourownphonesystem,orjustaneedformorephonelines.Thefirst
steptotakingcareoftheseissuesistoassessthephoneserviceyou
needrightnow.


×