broadcom公司的avaya9600系列最先进的voip处理器bcm1103集成了mips和dsp处理器,吉比特以太网交换和快速以太网物理层器件(phy).它所提供的特性使得bcm1103非常适合企业voip的应用,包括高保真音频,端到端安全保密以及先进的qos.本文介绍了bcm1103的主要性特点和功能方框图.

　　broadcom®voipsolutionsforenterpriseandsmallbusinessipphones
industrysmostpopulargigabitsolutionsforenterprisephones
theavaya9600seriesone-xdeskphoneeditionphonesarebuiltuponbroadcomsmostadvancedvoipprocessor,thebcm1103.inadditiontotheunparalleledperformanceprovidedbytheintegratedmips®anddigitalsignalprocessing(dsp)processors,gigabitethernetswitchandfastethernetphysicallayerdevices(phys),thebcm1103enablesthedeliveryoffeaturesthatarecriticalforenterprisedeployments,includinghigh-fidelityaudio,end-to-endsecurityandadvancedqualityofservice(qos).

　　severalofavayasenterpriseipphonesalsoincludebroadcomsbcm5482single-chipgigabitethernettransceiver,whichmaximizesthefunctionalityofthebcm1103voipprocessorforphonesusedongigabitethernetnetworks.thedual-portbcm5482transceiverreducesbill-of-material(bom)costsandutilizeslessboardspacethancompetingsolutionsthatusetwosingle-porttransceivers.thisenablesbroadcomscustomerstobuildsmallerandmorecosteffectiveipphones.

　　high-qualitysolutionsforcost-consciousbusinesses
avayahasalsoselectedbroadcomvoipsolutionsforitsavayaone-xdeskphonevalueedition(1600series),whichisalowcostfamilyofphonesdesignedtomeetarangeofend-userneeds.thehigh-endmodelfeaturesbroadcomsbcm1104voipprocessor,whichenablesadvancediptelephonyfeaturesatpricepointsthatareattractivetocost-consciouscustomers.theinnovativebcm1104processoralsointegratesagigabitethernetswitchandfastethernetphys,andrunsallcontrolandsignalprocessingtasksonthemipsprocessorcoreratherthanemployingacostlyembeddeddigitalsignalprocessor.
includedinthe1600serieslineuparetwoadditionalphonesthatincludebroadcomsbcm1190ipphonechip.bydeliveringcosteffectiveipphoneswiththesamevoicequalityandsecurityfeaturesashigher-endmodels,avayaisprovidingsmall-and-medium-sizedbusinesses(smbs)withgreaterchoicesfordeployingiptelephonyacrosstheboard.

　　thebroadcombcm1103ipphonechipenablesmanufacturerstobuildipphoneswithintegratedgigabitethernetswitching,improvedvoicequality,hardwaresecurity,andadvancedgraphics-drivenapplications.
thechipintegratesagigabitethernet(10/100/1000mbps)switchandtwofastethernet(10/100mbps)transceivers,allowingforthedevelopmentoftraditionalfastethernetipphonedesignswithouttheadditionalcostofaddingexternaltransceivers.withtheadditionofexternalgigabitethernettransceivers,manufacturerscaneasilyupgradetheirdesignstocreategigabitethernetipphonemodels.
thebcm1103integratesbroadcomsbroadsafesecuritytechnology,whichperformsvoiceencryptionandauthenticationandelevatesthephonessystemsecurityusingauniqueidentifierembeddedineachchipthatisvirtuallyimpossibletodecode,hack,orsteal.thisprovidesassurancethattheidentityofeachphoneinthenetworkisgenuine.

　　thechipshigh-performanceriscprocessoranddspsupportsbroadcomsfield-provenphonexchangeiptelephonysoftwaresuite.phonexchangeincludesawidevarietyofnarrowbandandwidebandvoicecoders,includingbroadcomshigh-fidelitybroadvoice®codec,ahigh-qualityfull-duplexspeakerphonealgorithm,advancedjitterbuffermanagementandpacketlossconcealmenttechniques,andacompletelibraryofstandardtelephonyalgorithmsrequiredforipphonedesigns.

　　theriscprocessorfurtherallowscustomerstoaddproductdifferentiatingapplicationsoftware.

　　thechipintegratesavarietyofipphoneperipheralsincludingwideband-capableanalogcodecs(coder/decoder)withintegratedamplifiers,irda,usbhost,andatouchscreendigitizer.italsoprovidesflexibleinterfacesforexternalperipheralsandmemorytypes.thishighlevelofintegrationreducesthephonesbillofmaterial(bom)costsandenablesphonevendorstobuildscalableipphonesolutionsusingasinglearchitecture.

　　主要特性:

　　thebcm1103istheworldsfirstipphonechipthatincorporatesagigabitethernet(gbe)switc