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ObjectworldCommunicationsCorp.•308LeggetDrive•Ottawa,ON•
Canada•K2K1Y6• 613‐599‐9698•F:613‐599‐7457•www.objectworld.comT:
1 Introduction
ThistechnicalnotedescribesthefaxintegrationbetweenObjectworldUCServerandCiscoCallManager.UCServer
integrateswithCiscoCallManagerusingSIPInteroperabilityandT.38FaxRelay.
UCServercansupportthefollowingapplicationsoffaxinaCiscoCallManagerenvironment:
• Separateincomingvoiceandfaxnumbers(DIDFax)
• Sharedincomingvoiceandfaxapplication
• Outgoingfaxing
Summaryoffaxdeploymentmodels:
• DirectSIPIntegrationusingT.38Relay
• DirectSIPIntegrationusingT.38RelaywithCNGdetection
• DirectT1/E1ConnectiontoCentralOffice
• DirectT1/E1ConnectionviaMGCPGateway
Thefollowingtablesummarizesthedeploymenttechnologiesandassociatedcapabilities.
Capabilities
Dedicated
DIDfax
numbers
Sharedvoice
andfax
numbers
Outgoingfa
x
DirectSIPIntegrationusingT.38relay
9
9
DirectSIPIntegrationusingT.38relaywithCNGDetection
9 9
DirectT1/E1ConnectiontoCentralOffice
9 9
9
DirectT1/E1ConnectionviaMGCPGateway
9 9
9
Sharedincomingvoiceandfaxapplicationrequirescallstobepre‐answeredforabriefperiodoftimetodetermineifan
incomingcallisafaxcall.Thepre‐answeringservicerequiresservicestobeaddedtoObjectworldUCServerand
configuredonanansweringidentityforeachuser.Theansweringpointplaysringback(optionallyanaudioprompt)to
allowthesystemtodetermineifthecallisafaxcall.Ifthecallisnotafaxcall,thecallwillbetransferredtotheassociated
extensionnumberusingaSIPtrunkconfiguredonCiscoCallManager.
Thediagramshowsanoptionalvoicemail/unifiedmessagingintegrationthatcanbedeployed.Thisintegrationis
documentedinTN092–CiscoCallManagerIntegrationusingSIP.CiscointegrationusingtheSIPvoicemailinterfaceisnot
capableofsupportingfax.