Multitech MVP 800 Dokumentacja Pobierz pdf (Strona 99)

 Chapter5–ConfiguringthePhoneBook

MultiVOIP®Voice/FaxoverIPGateways 99

Europe

ThemostdirectuseoftheVOIPsystemismakingcallsbetweentheofficeswheretheVOIPsarelocated.

Consider,forexample,theWrenClothingCompany.ThiscompanyhasVOIP‐equippedofficesinLondon,Paris,

andAmsterdam,eachservedbyitsownPBX.VOIPcallsbetweenthethreeofficescompletelyavoid



internationallong‐distancecharges.Thesecallsarefree.ThephonebookscanbesetuptoallowallWren

Clothingemployeestocontacteachotherusing3‐,4‐,or5‐digitnumbers,asthoughtheywereallinthesame

building.



InanotheruseoftheVOIPsystem,the

localcallingareaofeachVOIPlocationbecomesaccessibletoall ofthe

VOIPsystem’susers.Asaresult,internationalcallscanbemadeatlocalcallingrates.

Forexample,supposethatWrenClothingbuysitszippersfromTheBluebirdZipperCompanyinthewesternpart

ofmetropolitanLondon.In

thatcase,WrenClothingpersonnelinbothParisandAmsterdamcouldcallthe

BluebirdZipperCompanywithoutpayinginternationallong‐distancerates.OnlyLondonlocalphonerateswould

becharged.ThisappliestocallscompletedanywhereinLondon’slocalcallingarea.

Generally,localcallingratesapplyonlywithinasingl earea

code,and,forallcallsoutsidethatareacode,

nationalratesapply.Thereare,however,someEuropeancaseswherelocalcallingratesextendbeyondasingle

areacode.LocalratesbetweenInnerandOuterLondonareoneexampleofthis.Itisalsopossible,insome

locations,thatcallswithin

anareacodemaybenationalcalls‐butthisisrare.



France

The

Netherlands

Wren Clothing Co.

VOIP/PBX Site

London

Wren Clothing Co.

VOIP/PBX Site

Amsterdam

Wren Clothing Co.

VOIP/PBX Site

Paris

United Kingdom

Free VOIP Calls

France

The

Netherlands

Wren Clothing Co.

VOIP/PBX Site

London

Wren Clothing Co.

VOIP/PBX Site

Amsterdam

Wren Clothing Co.

VOIP/PBX Site

Paris

United Kingdom

Calls at London local rates

Local Calling Area

Bluebird Zipper Co.

London

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