Más contenido relacionado Voice over internet protocol (voip)1. Voice OverInternetProtocol (VOIP)
Personal branchexchanges(PBXs)deal withname switchingandroutinginside acorporation,andIPPBX
techniquesare the subsequenttechnologyof Internet-basedPBXcommunications. TechRepublic'sfree
VoIP e-newsletter,deliveredeveryMonday,accommodatestutorials,productandsoftware critiques,
and suggestionsandtrickstohelpyouplanor optimize yourVoIPdeployment.Whenaconsumerplaces
a name,the PBX serverrecognizeswhetheritisan innerorexternal call.Inside callspathtothe SIP
addressof the phone or userreceivingthe call.The corporate mighthave itspersonal VoIPgateway
integratedintothe system,oruse the gatewayof a VoIPservice provider.
To offerthe fee savingsof IP-primarilybasedcellphonerequiressmall corporations,afew VoIPstrains
witha businessplanfromalow-price suppliercorrespondingtoVonage orLingowill suffice.Medium- to
giant-sizedbusinesseshave longusedpersonal departmentexchange(PBX) switchboardstoroute
incomingcallsfromplenty ciscoippbx of external tracesamongstalarger varietyof internal traces.
Basedon an article byRobertPoe in VoIPInformation,majoranalysiscorporationsreportedthata
majorityof PBXtechniquessoldwithinthe firstquarterof 2006 had beenIP-basedmostly. Slowly
howeverabsolutely,firmsare shiftingawayfromtraditional PBXstoIPPBXsolutions.
Lastly,implementinganIPPBXsystemon-website (versususingahostedservice) requirespersonnel
withdata and expertise inVoIP.CiscoUnifiedCallManageris anenterprise-degree VoIPname
processingsystemthatsupportssubtle featuressimilartomultimediaconferencing,andmightdeal with
as much as 30,000 linesperservercluster.IPPBXknow-how isgrowinginsophisticationand
recognition,andmayprovide companieswithsubstantial costfinancial savingsbecause of ease of setup
(resultinginmuchlowerrolloutcosts),callingoptionsthatare notcustomaryon conventional PBX
equipment,highermonitoringandutilizationtracking,andlowertotal calling costs.
IP Centrex isaservice mannequinwherebythe VoIPsupplierownsandhoststhe PBXtools.HostedIP
PBXsolutionsare turnkeyoptionsthatdonot require organizationstohave personnel onemployees
capable of managingthe system.Togetherwiththe associatedfeesavingsof VoIP,customerscanget
some extrafeatureswithIPPBXthat donot sometimescome withatraditional PBXsystem.PBX
techniqueshelpcallerID,three-methodcalling,call forwarding,voicemail,andsimilarfeaturesthat
enterprise phoneuserstake asa right.In distinction,maintainingaself-hosted,on-site VoIPsystem
requiresabitextrawork.
VoIPgatewayscanjoinbothto analogcellphone strainsortodigital lines(ISDN ornormal multiplex T-
carrier strains).The gateway machine cantake the type of a devotedequipment,orasan enlargement
card withinthe server.Conventional PSTN PBXlinesconnecttothe VoIPnetwork(ortothe Internet)
utilizinganFSXgateway.Or,goinginthe otherpath,PSTN telephone linesmightconnecttoanIP PBX
witha foreignexchange workplace (FXO) gateway.