[. . . ] [. . . ] For example, it provides service continuity across Code Division Multiple Access (CDMA) and Long Term Evolution (LTE) networks, Global System for Mobile Communications/Universal Mobile Telecommunications System (GSM/UMTS) and WiFi networks, and fixed desk phones and mobile devices.
TheAlcatel-LucentSCGisthegateway thatsitsbetweencircuitswitchingand theIPMultimediaSubsystem(IMS), providingcall-controlandsession-control signaling. Itperformsmultipleroles inthenetworkbyprovidingdomain selection, callanchoringandhandover toenabledevice-independent, accessagnostic, seamlesscommunication. Thisproductsupports3GPPRelease7; infuturereleases, itwillevolveto supportServiceCentralizationand ContinuityApplicationServer (SCC-AS)functionality, includingSingle RadioVoiceCallContinuity(SR-VCC) andIMScentralizedservices. The Alcatel-LucentSCGisacriticalelement forLTEnetworksasserviceproviders evolvefromcircuitvoicetoVoIPand providethenewservicesthatVoIP andIMSenable. TheAlcatel-LucentSCGisstandards compliant, enablingdeploymentwith third-partyIMSCorenetworksandwith third-partyTelephonyApplicationServers.
Note:TheAlcatel-LucentSCGreplaces Alcatel-Lucent5420VoiceCallContinuity(VCC). TheAlcatel-Lucent SCGRelease7. 1supportsallmajor functionalityoftheAlcatel-Lucent 5420VCCandisresidentontheLCP, leveragingcommonhardwareand Linux-basedsoftwareusedthroughout Alcatel-LucentIMSproducts.
Features
· NetworkDomainSelection (NeDS)calldelivery · Originatingandterminating callanchoring · GlobalTitle(GT)andpoint coderoutingforSS7 · SMSDeregistration · Shortcodesrouting · CDMAandGSM/UMTS networksupport · CallcontinuityacrossIMSand circuit-switchednetworks · Field-provencarrier-grade performancewithlocalredundancy; geographicredundancyisoptional
Benefits
· Permitscallcontinuityacross fixedandmobiledomains · Enablesfirststepstowards LTE-readiness
· Permitsincreasedcapacity withmultipleVisitingLocation Registers(VLRs) · Enablesserviceproviderstoleverage landlineandmobilenetworksby providingnewservicessuchasonenumberservice
· OneproductsupportsbothCDMA andGSM/UMTSnetworks, in conjunctionwithVoIPonWiFi, WiMAXandLTE
Technical specifications
Interfaces and protocols
· ToServing-CallServerControl Function (S-CSCF): ISC and SIP · ToInterrogating-CSCF(I-CSCF): Ma and SIP · ToHomeLocationRegister(HLR): MAP · ToHomeSubscriberServer(HSS): Sh and Diameter · ToCallServerMobileSwitching Centers (CS MSCs): IN and SCP · ToOperationsandMaintenance Center(OMC):SNMPandFTP · ToDNS:IP
Detailed features
· UMTS/GSMandCDMAsupport · I-CSCFfailover(PseudoName AddressPointer[PNAPTR]) · Alcatel-LucentCSCFGeoredundancy support · Carrier-gradeAdvanced Telecommunications Computing Architecture (ATCA) hardware · Singlepointcodeforeachsystem · Supportforlatecallforwarding · Failoverbetweentwosites · Numberplanarea(NPA) split support · Provisionablesplitidentities · Highercapacitythroughuse ofmultipleVLRs
Configuration
· Two-shelfdeployment ¬ 1 Alcatel-Lucent ATCA V2. 2 cabinet ¬ 2 Alcatel-Lucent ATCA 14-slot chassis, Version 2. 0 ¬ 4 Alcatel-Lucent Malban blades ¬24Alcatel-LucentRouzicblades ¬Runsasanapplicationonthe Alcatel-Lucent Linux Control Platform, a standards-based platform for ATCA · Canalsobedeployedina single-shelf configuration · Availablepre-integratedwith the Alcatel-Lucent Converged Telephony Server (CTS) and the Alcatel-Lucent IP Session Controller (ISC)
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