IPPBXInterworkSimtonTechnologiesContents2/10/20202AnaloginterconnectionSIPinterconnectionSIPphonesCallroutingsIPXinterconnectionContents2/10/20203AnaloginterconnectionAnalogVoicesignalFXSandFXOIPXandPBXinterworkImportantparametersFrequentlyfacedproblemsAnalogvoicesignalDTMFtone,Whenpress1,2,3,4,5,6,7,8,9,0,*,#FrequencyDurationBusytone/disconnecttone,AfteronepartyhangupFrequencyDurationRingsignal,whencalledVoltageFrequencyDurationDialTone,BeforedialingFrequencyDurationRingbacktone,AftercalledringFrequencyDuration2/10/2020SimtonTechnologiesInc.4Analogvoicesignal2/10/2020SimtonTechnologiesInc.5UserAUserBRingingsignalOff-hook(userBanswers)Off-hookIPXDialtoneBnumberDTMFRingbacktone(orbusytone)ConnectionestablishedFXSandFXOFXS:ForeignExchangeStation,Interfaceprovidespower(Battery)FeneratesringsignalsGeneratesDTMFandcallerIDSLICConnectingtoanalogphoneorFAXmachineFXO:ForeignExchangeOfficeInterfacereceivespower(Battery)ReceivesringsignalsReceivesDTMFandcallerIDDAAConnectingtoPSTNlineFXSandFXOusedinpairs2/10/2020SimtonTechnologiesInc.6IPXFXSandFXOFXSparameters2-wiresProtocol:DTMF(DualToneMulti-Frequancy)Ringvoltage:60VBusytone:450Hz,350mson,350msoffDialtone:450Hz,continuousRingbacktone:450Hz,1son,4soffCallerIDMode:FSKandDTMFMaxFlashtime:adjustableMaxkeyinterval:adjustablePolarityreverse,forbillingFXOparameters2-wiresProtocol:DTMF(DualToneMulti-Frequancy)CallerIDMode:FSKandDTMFRingvoltage:40VBusytone:adjustablePolarityreverse,forlinerelease2/10/2020SimtonTechnologiesInc.7FXSandFXOFXSandFXOusedinpairsFXOconnectingtoFXS2/10/2020SimtonTechnologiesInc.8IPXandPBXinterworkPhysicallineconnectingCallagentrules(Cancelseconddialing)ThequantityofPhysicallinesmeanconcurrentcallsbetweenIPXandPBXIPXFXSConnectingtoPBXFXO(Recommend)IPXFXOConnectingtoPBXFXS2/10/2020SimtonTechnologiesInc.9IPXandPBXinterworkIPXFXSConnectingtoPBXFXOPBXsupportsFXOgroupPBXsupportsprefixroutingIPXCallagentrulesTransferPrefix10toPBXOpenFXSand0.5SlaterSend10xxtoPBXPBXcallrule:Send20prefixtoIPX1001calls2001directly2001calls1001directlyForPSTNcall,Same2/10/2020SimtonTechnologiesInc.101001IPXPBX1002IPX2001200230013002IPPSTNFXOFXSIPXandPBXinterworkIPXFXOConnectingtoPBXFXSPBXnomoreFXOIPXCallagentrulesTransferPrefix10toPBXOpenFXOand0.5SlaterSend10xxtoPBX1001callsFXSnumberSeconddial20012001calls1001directly2/10/2020SimtonTechnologiesInc.11ImportantparametersPSTNCriterionRegionandlanguagepageFordifferentcountryDTMFdurationVoiceparameterpageDSPparameter,foroutgoingcallInputandoutputGainforspeakandmicrophoneVolumeExtensionpagePSTNlinepageBusytoneforlinereleaseVoiceparameterpageCallerIDmodeReceiveCallerIDproperlyPSTNlinepagePolarityreverseforlinereleasePSTNlinepage2/10/2020SimtonTechnologiesInc.12FrequentlyFacedProblemsMakingoutgoingcallfailPeroblem:HeardialtoneafterdialingAdjustDTMFdurationIPXdefault100ms,Somedurationupto300msDetectingbusytonefailProblem:FXOalwaysbusyConfigurenewbusytoneparameterHowtoanalysebusytoneparameterConnectPSTNlinetoacommonanalogphoneBACallPSTNlinenumbertoB,pickupandtalkingCallerAhangup,recordingthebusytoneofBAnalysethebusytonebyCooledittoolFrequency,period,firston,firstoff,secondon,secondoff.2/10/2020SimtonTechnologiesInc.13FrequentlyFacedProblemsCallerIDdisplayfailChoosePropercallerIDmodeCallerIDsupportedbyPSTNlineConnectPSTNlinetoacommonanalogphoneCallPSTNlinenumberandseeifanalogphonedisplaycallerIDSomeservicewithcallerIDCallbackVIPnumberIncomingcallroutingOutgoingcallslow#asendAdjusttheMAXkeyintervalConfigureexternalcallroutingorinternelcallrouting2/10/2020SimtonTechnologiesInc.14Contents2/10/202015SIPinterconnectionVoiceoverIPSIPAccountSIPextensionSIPTrunkVoiceintranetImportantparametersFrequentlyfacedproblemsVoiceoverIPDifferentfromanalogvoiceNoownphysicallineVoicepayloadtransportedinIPpacketsBasedonIPprotocolthroughWANorLANinterfaceSignalingprotocol:textBasicsforoneVoIPcallOnepairofIPaddressesSignalingconnection:onepairofUDPportsMediaRTPconnection:twopairsofUDPportsCodecformatDTMFrelaymodeSufficientbandwidthandQoS2/10/2020SimtonTechnologiesInc.16SIPAccountWhatisSIPaccount?SimilartoFXORegistertoSIPserverasaenduserorextensionUsernameoraccountascallernumberPasswordorIPaddressandportasanthenticationRegisterserverandproxyserverandport2/10/2020SimtonTechnologiesInc.17SIPAccountSIPaccountinterworkConfiguretheaccountinformationprovidedbyotherSIPplatformIPXasotherSIPserver’senduserGenerallyonlyoneconcurrentcallallowedIPXnotneedpublicIPaddressNotecodecandDTMFmodeForincomingcallsAccountusernameascallednumberCallerIDdisplayForoutgoingcallsAccountusernameascallerid2/10/2020SimtonTechnologiesInc.18SIPextensionWhatisSIPextension:SimilartoFXSIPXasSIPserverforotherendusertoregisterOneextensionisoneSIPaccountExtensionnumberisregisterusernameIPXWANorLANaddressasregisterserveraddressIPXneedpublicIPaddresswhenserverforWAN2/10/2020SimtonTechnologiesInc.19SIPTrunkWhatisSIPTrunk?SimilartoE1trunkNoownedcallernumberjustachanneltotransfercallsincludingCallerandcallednumberRemotesiteIPaddressandportIPaddressandportauthentication2/10/2020SimtonTechnologiesInc.20SIPT