Related by context. All words. (Click for frequent words.) 62 ClixSmart 61 Novarra Vision 60 Customer Lifecycle Management 59 Converged Messaging 59 mCore 58 LogicaCMG Next Generation 58 InfoSpace Find 58 Openwave Contextual Merchandising 58 Hosted IVR 58 Bytemobile Unison 58 SMS USSD 58 Openwave Integra 57 OpenVision 57 KnowledgeBase.net 57 Acision Message Plus 57 Openwave Accelerator 57 Intec Mediation 57 Microsoft PlayReady technology 57 Partner Relationship Management 57 FusionWorks 57 EditLive 57 PPI PayMover 56 Logi ETL 56 Delivery Platform SDP 56 Openwave Passport 56 Openwave Amplicity 56 Telarix iXTools 56 deliveryOne 56 Adjudicare 56 Talisma CIM 56 QUALCOMM BREW 56 Vindicia CashBox 55 Openet FusionWorks 55 iMRO 55 Intellisync Wireless Email 55 AirPrism 55 Concur Connect 55 Aplix JBlend 55 Telcontar DDS 55 BusinessTone 55 MaaS 55 Seamless Access 55 FTS Leap 55 MyCaller 55 Memova Messaging 55 Sage SalesLogix CRM 55 Amdocs ChangingWorlds 55 TravelTalk 55 WorkFlow 55 Telispark Mobile Enterprise 55 Convergent Charging 55 Inter mediatE 55 Taqua MobileWorks 55 PIN Debit 55 mProve 55 WAP Billing 55 interconnect billing 55 Voltaire Grid Backbone 54 ZANTAZ Introspect 54 ActivationNow 54 Charge Anywhere 54 xsp 54 SurfKit 54 MachBlue platform 54 GoldMine CRM 54 Nobill 54 PetroTrek 54 Orbian 54 XIAM 54 BroadCloud 54 Coremetrics Analytics 54 Email Mx 54 VMware Virtualized 54 Application Provisioning 54 MediaTone 54 VIAaq 54 ThinMind 54 Paymode X 54 BuzzCast 54 Carrier Billing 54 NexPrise 54 Amdocs Mediation 54 Convergent Billing 54 Ecommerce Solution 54 Ankeena Networks 54 HP OpenCall 54 NetCracker OSS 54 TIBCO BusinessEvents 54 TrueComp R 54 TransEngen 54 ConceptWave Order Care 54 BMC ITSM 54 Progress Savvion BPM 54 ProtectPay 53 Plug'n Pay 53 SQL Anywhere Studio 53 4TRESS 53 Xoriant 53 Consumer Centric Merchandising 53 HealthRamp 53 Certive 53 EngageIP 53 ClearMode 53 Inc. NASDAQ CSGS 53 Modevity 53 TrustCash 53 INETCO 53 Enterprise Instant Messaging 53 Intraware SubscribeNet 53 QPoint 53 Movial IXS 53 ESKADENIA ® 53 BroadWorks VoIP application 53 Answers Anywhere 53 Relevantis 53 GlobalTRACS 53 Adfortel 53 DoubleClick DART 53 MobGold 53 Interprise Suite 53 mFolio 53 BroadSoft VoIP 53 SoftLayer Launches 53 UC Centrex 53 Usage Monitoring 53 Converged Communications 53 Frictionless SRM 53 Oren Nissim CEO 53 Tatara Mobile 53 Informia 53 AirVantage 53 CreekPath Suite 53 Granular Configuration Automation 53 Riverbed WDS 53 Sybase EAServer 53 Memova ® 53 Amdocs OSS 53 Synapps 53 HP ProCurve ONE 53 Electronic Invoice Presentment 53 Ogo#.# 53 Virtual Ark 53 Convergys Rating 52 Policy Orchestration 52 AcceptPay 52 CashBox 52 Essentra BAX 52 MarketZone 52 DataXtend SI 52 Alligato 52 Accolade WCS 52 MXES 52 Autodesk LocationLogic 52 MailKey 52 RadiantOne 52 HP RealTime Charging 52 RedDot LiveServer 52 ReFLEX 52 Proximetry AirSync 52 DriveSync TM 52 BREWChat 52 deliveryOne TM 52 ConnectShip 52 Roaming Hub 52 Physician Scheduler 52 Aylus 52 iCFD 52 IP softswitch 52 Call Routing 52 Aepona Causeway 52 ePeople 52 Supportsoft 52 Telmap Navigator 52 EngageOne Interactive 52 TrueProtect 52 enables CSPs 52 Interwoven Targeting 52 Synchrologic 52 Omtool AccuRoute 52 PlateSpin Orchestrate 52 vIP PASS 52 GSInnovate 52 SpeechMiner 52 AssetCenter 52 Nokia NetAct TM 52 Versant Object Database 52 Voltage IBE 52 Compiere ERP 52 TaaS 52 Q Nami 52 Ankeena 52 Axway Synchrony 52 Redi2 52 Oblicore Guarantee TM 52 BubbleTALK ™ 52 Transactive 52 Callidus Software TrueComp 52 AgentView Enterprise 52 Intentia Application Suite 52 ResponseTek 52 Data Loader 52 Cisco Unified CallManager 52 6WINDGate TM 52 Lucent IMS 52 LogicLibrary Logidex 52 Thetus Publisher 52 Interwoven CAP 52 Versera 52 AssureNET 52 Handango AMPP 52 CellularManager 52 Dexterra Concert 52 IEX TotalView Workforce 52 iTel 52 Leapstone 51 NetWay Manager 51 OnRelay MBX 51 Hosted Telephony 51 IDeaS Revenue 51 Rightware 51 uiOne 51 Geac MPC 51 InterconnecT 51 NCR TransitionWorks 51 DataSync Suite 51 CableEdge 51 Comverse Billing 51 MetiLinx 51 SlipStream SP 51 Clevest 51 Motricity Fuel 51 Aprimo Marketing 51 nFX SIM One 51 MX8 handheld computer 51 LiteScape Technologies 51 Voipswitch 51 LifeCycle Management 51 BladeLogic Operations Manager 51 SelfReliant 51 vCom Solutions 51 Jungo OpenRG 51 MetraNet 51 Cirrus Softswitch 51 SMSC MMSC 51 FAST InStream 51 RightAngle 51 mSearch 51 Spime 51 Scorecard Routing 51 Emptoris Sourcing 51 IntelliConnect System 51 TAPMaster 51 VMWare vSphere 51 Singl.eView 51 ConstantSync 51 AppTrigger Ignite 51 Motorola PoC 51 FrontRange GoldMine 51 SingleBrand 51 MoneyMap ® 51 Memova Mobile 51 NOKIA Nokia 51 Memova R 51 InterWeave 51 mCore Platform 51 Acxius 51 Memova TM 51 FlashCast 51 VeriFIX 51 eGain OnDemand 51 Dynamic Scheduling 51 ProviderPoint 51 Synchronica SyncML Gateway 51 Amdocs ClarifyCRM 51 IPCentrex 51 multidomain MDM 51 Sonus IMX 51 UCN inContact 51 Planview OpenSuite 51 Signalware 51 SpatialFX 51 Smartphone.net 51 Confluent Software 51 femtocell gateway 51 Kivera 51 Provisioning System 51 Xactly Analytics 51 Comverse ONE 51 ConceptWave 51 SupportPoint 51 Datawatch Dashboards 51 Intec InterconnecT 51 Digité 51 Number Porting 51 Wavelink Speakeasy 51 http:/www.openwave.com/ 51 Document Process Automation 51 Nokia Siemens Siemens Networks 51 SmartPath 51 Alcatel Lucents 51 Acsera 51 collaborative Product Lifecycle 51 NetBoss XT 51 OnviCenter 6 51 Cerillion 51 mFormation 51 VoluBill 51 IPitomy 51 PayWare 51 ControlSwitch 51 Visto Mobile Access 51 Sylantro Synergy 51 AppFlow 51 WAP Browser 51 SMS @ ctive 50 3united 50 RealTunnel 50 KineticD 50 eSON 50 SavaJe OS 50 SalesDesktop 50 Reseller Partner Program 50 Vitria BusinessWare TM 50 uReach 50 TrueSource 50 Dynamic Pricing 50 Outbound Spam Protection 50 TIBCO iProcess Suite 50 SeeBeyond ICAN Suite 50 diCarta 50 Issue Tracking 50 Monexa Billing 50 EclipsePlus 50 dmEDGE 50 Receives Customer Interaction 50 IPTV Middleware 50 SurfKit Mobile 50 Provisioning Solution 50 CIRPACK 50 Metaswitch Networks 50 eMeter EnergyIP 50 GIPS VoiceEngine 50 Mezeo Ready 50 Afaria ® 50 Kenamea 50 eDocs 50 Eskadenia 50 EnCase ® eDiscovery 50 OnDemand SaaS 50 SiVault 50 Merchant Processing 50 NetFront Browser v#.# 50 Jware Technologies 50 Preminet 50 Nseries multimedia computers 50 Selects Amdocs 50 Yuchun Lee CEO 50 InterConnect 50 Datawatch BDS 50 Centile 50 Selects Kofax 50 SWsoft PEM 50 IONA Artix 50 PROPHIX 50 Autonomy IDOL 50 Redi2 Revenue Manager 50 Infor CRM Epiphany 50 Account Updater 50 AccuROAM 50 Visto Mobile TM 50 Bjorn Espenes CEO 50 Dash Carrier 50 Nexage 50 NetFront Widgets 50 Fiorano ESB 50 Voltage SecureData 50 Comptel Convergent Mediation 50 EzGov 50 Ericsson Mobile Softswitch 50 Winwap Technologies 50 mprodigy 50 UTOPY SpeechMiner 50 ROAM Data 50 PacketTrap MSP 50 Optimization Platform 50 KXEN Analytic Framework 50 Endeca IAP 50 gpsOne 50 Lotus Instant Messaging 50 TrueComp ® 50 Pursway 50 TI LoCosto 50 Markdown Optimization 50 AvaTax 50 Claim Remedi 50 NETBANX 50 EBPP 50 Yahoo! oneConnect 50 FatWire Content Server 50 Redknee Turnkey Converged Billing 50 Covergence Eclipse 50 CustomerVision 50 VERITAS i3 50 Converged Communication 50 Broadband Telephony 50 ipUnplugged 50 PilotWorks 50 Callidus TrueAnalytics 50 Patient Charting 50 6DegreesIP 50 Subscription Billing 50 VoiceNet 50 Jentro 50 Pega Cloud 50 RapidSure Policy Administration 50 Femto Cell 50 ACCESS NetFront 50 modular extensible 50 Leap BCE 50 Day CQ5 50 convergent charging 50 MDC Tracker 50 ShoreTel UC 50 convergent mediation 50 Bridgestream 50 Yahoo OneSearch 50 convergent billing solution 50 Tabrio TM 50 Versera ICE 50 sentitO 50 CaseSentry 50 Netrac 50 QuickVision 50 TRAKware 50 FraudView R 49 NexTone IntelliConnect System 49 Mettoni 49 Convergent Mediation 49 Nokia NetAct 49 Leap Billing 49 EMC Smarts 49 Conceivium 49 agami Information Server 49 Intervoice Voice 49 DeviceAuthority 49 MobileMail 49 Hosted IP PBX 49 Digital Fuel ServiceFlow 49 EliteAAA 49 Objective Interface 49 Comptel Provisioning 49 VoIP Telephony 49 Kodiak RTX System 49 Itemfield ContentMaster 49 BroadSoft BroadWorks 49 Sage ERP Accpac 49 EagleACD 49 Datastream 7i TM 49 Unified MBX 49 STG Billing 49 WLAN Roaming 49 Next Generation OSS 49 BackWeb Technologies 49 Successfully Completes SAS 49 Windows Live QnA 49 Deep Nines 49 Priasoft 49 Communology 49 TeleGea 49 Avatier 49 Amdocs Cramer 49 Agentry 49 Memova 49 Movial Communicator 49 VoIP softswitch 49 Vignette Portal 49 CXO Systems 49 OpenPages FCM 49 Sphericall IP PBX 49 Kenan FX 49 Glenayre Messaging 49 IPeria 49 Roaming Solution 49 CSG Kenan BP 49 Asset Tracker 49 Mergent Online 49 Comptel Dynamic OSS 49 NBS VoICE 49 i Lytics SECURE 49 Email Continuity 49 Automated Compliance 49 expEDIum 49 FuelQuest FMS 49 PlanView Enterprise 49 Stellent Content 49 me2me 49 NetFront browser 49 Sybase mBanking 49 Ethernet Switching 49 Siebel Customer Relationship 49 Flowfinity 49 Parature Customer Service 49 Orga Systems 49 Aprimo Enterprise 49 Omvia 49 VIPER CAD 49 TabWare 49 XTNDConnect PC 49 Qualcomm chipset 49 PayCommerce 49 Mobilitec 49 John Giere 49 Varicent SPM 49 NetFront Life 49 SAP BusinessObjects portfolio 49 Aras Innovator 49 Directory Listing 49 touchatag 49 ILOG BRMS 49 Scribe Insight 49 MeetingPlace 49 APTARE StorageConsole 49 DataLabs Clinical 49 3PAR Adaptive 49 Virtual Steelhead 49 VoiceStick R 49 AppCentral 49 EasyVista 49 Parature Customer Support 49 Tertio Service 49 ShoreTel Unified Communications 49 Omnify Empower PLM 49 Jbed Advanced 49 Mitchell SmartAdvisor 49 Voice Enabled 49 FuegoBPM 49 Convergence Gateway 49 AuthenTec QuickSec 49 VoIP Origination 49 Data Palette 49 TI OMAP platform 49 Soleus TM 49 Cibenix 49 Trolltech Qtopia 49 Netezza TwinFin appliance 49 Intec Roaming 49 Preminet Solution 49 TeaLeaf 49 Winwap 49 SEVEN Networks 49 MPOS 49 Tribold EPM 49 Invoice Processing 49 Demand Forecasting 49 Leap RevChain 49 Laszlo Webtop 49 Appointment Scheduling 49 Clickability Platform 49 Aestiva RFQ 49 PortaSwitch Procinctus 49 Service Delivery Platform 49 Myrio Interactive 49 NetCapture 49 LocationLogic 49 AdMarvel 49 QueCloud 48 SS7 Signaling 48 CareRadius 48 DigitalRoute 48 Streamlined Collections 48 Global PAYplus 48 INFRAX 48 3G Femtocell 48 Inventive Labs 48 WebSideStory Search 48 uniquely architected 48 OnePlan 48 Enomaly Elastic Computing 48 Empirix Hammer XMS 48 Interstage Suite 48 Bluestreak MachBlue 48 Vblock Infrastructure Package 48 Voxpilot 48 PopChart 48 Magento Enterprise 48 Document Output 48 Brocade DCF 48 WebTech Wireless Quadrant 48 Rearden Commerce Platform 48 ISOdx 48 MicroStrategy Dynamic 48 UC4 global 48 SoftBank Telecom 48 DatStat 48 QuickBooks Merchant 48 Callidus TrueComp 48 ProSystem fx 48 Enhance Customer 48 NASDAQ OPWV 48 eTask 48 Theoris Vision Software 48 IBM eServer i5 48 MVNE platform 48 MoneyMap 48 IMlogic IM Manager 48 Webphone 48 BroadSoft BroadWorks VoIP 48 OpenPath 48 Amdocs Enabler 48 aspenONE V7 48 Unify NXJ 48 Planview Enterprise 48 VoyenceControl 48 Veracity ™ 48 mySAP SRM 48 Tourmaline Networks 48 Trellia Networks 48 OnDemand Switch 48 Xerox Wide Format 48 NetCharts Performance Dashboards 48 Moneydirect 48 Zad Mobile 48 Microsoft BizTalk RFID 48 Shopping Cart Software 48 InsPro Enterprise 48 http:/www.openwave.com 48 Amdocs jNetX 48 Dataupia Satori Server 48 i Lytics 48 Wallstreet FX 48 Openwave Systems Inc 48 Femtocell Gateway 48 GlooLabs 48 Vocalscape 48 Lucent SurePay 48 MaxBill 48 AssetTrack 48 Colibria 48 Voltage SecureMail ™ 48 MetaSphere 48 Websense TRITON 48 Xtiva 48 Interwoven ECM 48 Covast EDI Accelerator 48 Endeca InFront 48 ISAM FTTU 48 JavaFX Mobile 48 ELIPS Studio 48 Asset Tracking Solution 48 NetRegulus 48 NCR ImageMark 48 Telution 48 StorageConsole 48 ACUCOBOL GT 48 Highdeal Transactive 48 Carrier Cockpit TM 48 OSA Parlay 48 Mobidia 48 ProvisionX 48 SmartFill 48 Partner Ecosystem 48 MeS 48 BankFusion Universal Banking 48 MotorolaMotorola 48 Yodlee BillPay 48 SSH Tectia solution 48 Convergys Infinys 48 AirMessenger Router 48 Compuware OptimalJ 48 Gate2Shop 48 J2EE architecture 48 INSCI 48 Lanamark Suite 48 Bill Presentment 48 Invoice Management 48 OnDemandIQ 48 Glenda Dorchak Chairman 48 Intuit QuickBooks Enterprise 48 MidMarket 48 NetPerformer 48 DataFlux Solution 48 Evolving Systems Dynamic 48 Mobileway 48 Nokia Intellisync 48 GlobalTouch 48 Sheer Networks 48 ISTS Worldwide 48 Skycore 48 SpeedCore 48 Cognitronics 48 Sage BusinessWorks 48 MedFORCE Technologies 48 IperiaVX 48 TruePosition U TDOA 48 iSupport 48 Telespree 48 KwikTag 48 Alebra 48 ePort Connect 48 Z Billing 48 xfy 48 Openwave 48 Jasomi 48 TeleMessage 48 mBridge 48 Payment Gateway 48 BusinessManager 48 AXIOSS 48 Receives Unified Communications 48 Internat Inc CSGS 48 Acresso 48 UChoose Rewards 48 Nextone 48 compans 48 ClarusIPC Plus + 48 VERITAS Cluster Server 48 Intraspect 48 Pegasystems BPM 48 Intercede MyID 48 Allegient Systems 48 Encryption Solution 48 Payments Processing 48 SandCherry 48 WorkSmart Suite 48 ShareMethods 48 Newest Release 48 BQE Software 48 CWDirect 48 Valtira 48 Starcut 48 softswitching 48 Receives CCHIT Certification 48 InnoMedia 48 FCAPS 47 SoftCom 47 SoloMio 47 MarketingCentral 47 Radware AppDirector 47 eDial 47 FraudView 47 SIPware 47 eCAS 47 Sapias 47 Electronic Billing 47 Netcool suite 47 IXI Mobile Ogo 47 Gate.com 47 Olista 47 Lucent Softswitch 47 nGenius Solution 47 MVTS II 47 VMware vStorage API 47 JacobsRimell 47 OutStart Evolution LCMS 47 Avaya Compliant 47 HipLinkXS 47 Panorama NovaView 47 FastLign 47 DOVICO 47 BroadSoft BroadWorks platform 47 InfoSphere Warehouse 47 http:/www.nokia.com 47 BDNA Insight 47 Format Preserving Tokenization 47 Solsoft Policy Server 47 Managed Telephony 47 Neuralitic 47 Voltage SecureMail TM 47 Pre Paid Card 47 iXTools 47 Lucent Accelerate 47 BizRights 47 Cayenta Utilities 47 DebtResolve 47 Tatara Convergence Server 47 Hammer XMS 47 Recondo Technology 47 Algo Suite 47 Alopa 47 postpaid billing 47 Telephony Office LinX 47 DataView# 47 Function PCRF 47 Evoco Workspace 47 Datacap Taskmaster 47 Intervoice Voice Portal 47 LeCayla 47 Applianz 47 Conexions 47 FrontRange HEAT 47 Touch Clarity 47 XSP ™ 47 LogNet Systems 47 OpTier BTM 47 OneBridge 47 VistaInsight 47 Intrado V9 1 47 OnState 47 Migration Toolkit 47 CostGuard 47 PictureMail 47 Traffic Redirection 47 PRODUCT FUNCTIONALITY 47 MessageVine 47 Utiba Pte Ltd. 47 TrueVue 47 IronPort Anti Spam 47 Intec Convergent Billing 47 AccessGate 47 Turbo Charging 47 NASDAQ NMSS 47 Voq Professional Phone 47 DIGITALK 47 FeedHenry 47 MQSubscribe 47 SlimChip TM 47 eFORCE 47 DataFlux Data 47 ViewDirect TCM 47 Telcontar 47 KNOVA Software 47 Data Cleansing 47 Mobeon 47 Customer1 47 GigaSpaces eXtreme Application 47 Movero 47 Chordiant Decision Management 47 Windows Embedded NavReady 47 mSuite 47 NetDev 47 www.aicent.com 47 Appium 47 Entology 47 DeFi Mobile 47 Actuate BIRT 47 CitiDirect BE 47 Nellymoser 47 StormPost 47 ENDFORCE Enterprise 47 Verivue 47 RealLife Benefits 47 ChangeGear 47 Amdocs CRM 47 PathSolutions 47 airwide solutions 47 Dial Directions 47 QuarkXPress Server 47 TenDigits 47 Deploys Acme Packet 47 BrassRing Enterprise 47 UniRisX 47 e connectware 47 Confignia 47 ICM Usage Management 47 Lighthouse1 OnDemand ™ 47 VoyenceControl NG 47 AerFrame 47 Saleslogix 47 Neural Technologies 47 Emulex OneConnect UCNAs 47 UCaaS 47 Siemens SURPASS 47 ProQuent 47 Capacity Analyzer 47 IntelliNet Technologies 47 Redi2 Technologies 47 SAFsolution 5 47 Ariba Invoice 47 CyBux 47 WebSphere Process Server 47 XCalibre Zabovo.com ZOHO 47 Resident OneBill 47 Real Dialup Win 47 Openwave logo 47 Jinfonet 47 HipLogic 47 EService 47 CommProve 47 Intec Interconnect 47 CloudLayer 47 Enterprise Configuration Manager 47 VASCO VACMAN 47 PeopleSoft EPM 47 Rosum Corporation 47 MIVA Direct 47 outsourced EDI 47 CellTrust SecureSMS Gateway 47 Quality Lifecycle Management 47 Cloud Orchestration 47 Versata Enterprises 47 Opalis Integration Server 47 Codima Toolbox 47 VitalQIP 47 HP NGOSS 47 Supplier Enablement 47 Credit Card Payment 47 Streebo 47 Secure.Data 47 Stellent Sarbanes Oxley 47 JitterJam 47 Adamind 47 dcLINK ® 47 AppareNet 47 Cramer6 OSS Suite 47 Doug Sabella 47 SecureView 46 OpenInvoice 46 Relationship Management Solution 46 IBM Tivoli Netcool 46 Alepo 46 Speech Enabled 46 CASHplus 46 BroadWorks platform 46 Kineticsware 46 Selectica Contract Lifecycle Management 46 Mike Mulica 46 CSG Kenan 46 Cotendo CDN 46 Billing Solution 46 Cisco VQE 46 iDirect Evolution platform 46 Revenue Maximization 46 Alfresco ECM 46 Firepond CPQ OnDemand 46 auto stor 46 Netsize 46 Pervasive DataCloud 46 Mi Pay 46 Edocs 46 Oblicore Guarantee 46 IKIVO 46 m Qube 46 Decisioning 46 Echovox 46 Imanami 46 InterNoded 46 Eedo 46 FraudView ® 46 MOTOwi4 46 Jari Ala Ruona 46 ThreatSentry 46 Saba OnDemand 46 CloudLinux OS 46 Openbit 46 RealEC 46 Barracuda Spyware Firewall 46 Exchange ActiveSync protocol 46 SpammerTrap Email Security 46 ISV Partner Program 46 Acorde 46 Aloqa 46 eInvoicing 46 Swapcom 46 Managed Router 46 OmniSocial 46 Adomo 46 MC#D 46 MetaVance 46 StreetSmarts ® 46 Appfluent 46 dynamicsoft 46 TM Forum Frameworx 46 Transpromo 46 i5 CSP 46 SharePlex 46 Benefitfocus eBilling 46 FreeCRM.com 46 BroadAccess #E 46 Mezeo Cloud Storage 46 Pastel Evolution 46 ECONZ 46 Accpac ERP 46 Unstructured Supplementary Service 46 TranZfinity 46 Interworking 46 scalable J2EE 46 Secure File Transfer 46 OPSC Gold 46 Tesia PCI 46 webMethods BPMS 46 Aravo SIM 46 IP Assure 46 Inetcam 46 SurfKitchen 46 NetSpira 46 Identity Engines 46 Unirisx 46 TransArmor 46 MobiMate 46 Activation Solution 46 Digital Mailroom 46 Windows Embedded Handheld 46 TeleSciences 46 Nasdaq MOTR 46 Invoice Automation 46 Personeta 46 Project.net 46 thexchange 46 Vertek