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(Click for frequent words.) 69 IP MPLS 67 IP telephony 65 Carrier Ethernet 65 mobile backhaul 64 metro Ethernet 64 IP Telephony 64 IP VPN 64 MPLS 63 VoIP 62 Metro Ethernet 62 NGN 62 unified communications 62 Multiprotocol Label Switching MPLS 62 Internet Protocol Multiprotocol 62 IPTV 61 Ethernet 61 IP NGN 61 Multiprotocol Label Switching 61 Alcatel Lucent IP MPLS 61 Ethernet MPLS 61 SIP trunking 61 IP VoIP 61 MPLS VPN 60 MPLS Multiprotocol Label Switching 60 Label Switching IP MPLS 60 VoBB 60 Ciena CN 60 NGN IMS 60 TPSDA 60 IMS architectures 59 IMS NGN 59 FTTP 59 legacy TDM 59 Network IP NGN 59 M CMTS 59 VoIP telephony 58 IP 58 GPON 58 immersive telepresence 58 Ethernet aggregation 58 IP MPLS backbone 58 Ethernet backhaul 58 SmartVoice 58 Mobile Convergence FMC 58 VDSL2 58 GbE 58 IP VPNs 58 IP trunking 58 MyCall 58 FTTP deployments 58 Cisco IP NGN 57 multiservice switching 57 IP MPLS router 57 DWDM 57 packet optical 57 pseudowire 57 NetCracker OSS 57 Gigabit Ethernet GbE 57 Centrex IP 57 Agilent N2X 57 SS7 signaling 57 Gigabit Ethernet #GbE [001] 57 Edgecore 57 Optical Ethernet 57 IP DSLAMs 57 reconfigurable optical 57 IP Multiprotocol Label 57 Universal Edge Routers 57 MPLS multiprotocol label 57 #GbE [001] 56 FTTx networks 56 IP Centrex 56 Avaya IP telephony 56 Lucent IMS 56 stackable switches 56 EoC 56 converged packet 56 multiservice 56 IP Multimedia Subsystem 56 FTTH 56 SAN connectivity 56 IP PBX 56 softswitch 56 telephony 56 Switching MPLS network 56 EPON 56 FTTP fiber 56 Telkonet develops 56 Converged 56 xDSL 56 backhaul 56 TDM ATM 56 interworking 56 XO SIP 56 Session Initiation Protocol SIP 56 packetized voice 56 trunking gateway 55 SIGTRAN 55 Verscom Managed Services 55 Microsoft Mediaroom platform 55 wireless backhaul 55 BroadWorks platform 55 generation networks NGNs 55 Switched Digital 55 VPLS 55 hosted IP PBX 55 IPTV deployments 55 IP multimedia subsystem 55 SIP trunks 55 converged IP MPLS 55 1Net 55 IP centrex 55 U4EA 55 Optical Multiservice Edge OME 55 MobileVoIP 55 intercompany Cisco TelePresence 55 ATM Frame Relay 55 selects Alcatel 55 Ethernet VPNs 55 CoreDirector 55 softswitching 55 Bonded ADSL2 + 55 Thing5 55 FTTx 55 NEC UNIVERGE 55 #GigE [001] 55 NexusLink 55 SONET 55 Gigabit Ethernet 55 Ixia IxNetwork 55 3GPP IMS 55 SONET SDH networks 55 MPLS backbone 55 MetaSphere 55 bonded ADSL2 + 55 OmniPCX Enterprise 55 Session Initiated Protocol SIP 55 PacketCable compliant 55 Synchronous Optical Network 55 Aepona Causeway 54 multi terabit 54 mSwitch 54 Hosted IP Centrex 54 IPVPN 54 Hosted IP PBX 54 DOCSIS 54 MSPPs 54 MPLS IP VPN 54 ROADM Reconfigurable Optical 54 protocol Label Switching 54 Nortel Networks OPTera Metro 54 BroadSoft BroadWorks platform 54 packet switched 54 OPEX savings 54 Multi Protocol Label 54 BroadWorks 54 Internet Protocol 54 hosted PBX 54 Avaya Aura ™ 54 VoIP peering 54 Network NGN 54 Nortel Optical Multiservice 54 VDSL#/ADSL# + 54 Ethernet WAN 54 medianet 54 metro DWDM 54 Broadband Telephony 54 Ethernet SONET 54 deployed picocell 54 VoWLAN 54 BroadSoft BroadWorks 54 Empirix Hammer XMS 54 gigabit Ethernet 54 Qwest OneFlex 54 mobile convergence FMC 54 MPLS VPNs 54 FTTU 54 Converged IP 54 Common Photonic Layer 54 FTTH deployments 54 ONTs 54 intelligent photonic 54 #Gb s Fibre Channel 54 NetIron MLX Series 54 NEMs 54 Lightpath 54 Managed IP PBX 54 VoIP softswitch 54 Unified Communication 54 Versera ICE 54 CIRPACK 54 Delivery Architecture TPSDA 54 Envox CT Connect 54 convergent billing solution 54 microwave backhaul 54 TDM 54 Converged Network 54 MPLS Multi 54 UNIVERGE 54 IntelliConnect System 54 SONET SDH 54 DWDM transport 54 G.SHDSL 54 metro ethernet 54 Edge OME 53 NGNs 53 Lucent Active PhoneBook 53 Hi FOCuS 53 telepresence 53 Alvarion WiMAX 53 Videocall 53 LTE EPC 53 scalable 53 structured cabling 53 Wireless LAN WLAN 53 BigBand Cuda 53 convergent 53 Alcatel OmniPCX Enterprise 53 packet backhaul 53 TaquaWorks 53 #GE [001] 53 Nortel Common Photonic 53 GigE 53 Cable MSOs 53 NetBoss 53 virtualized 53 Corrigent 53 Infinys 53 Multimedia Subsystem IMS 53 optical DWDM 53 SAFARI C3 53 1Net framework 53 SONET SDH optical 53 residential gateways 53 Frame Relay 53 Summit X# 53 GSM backhaul 53 CWDM 53 converged IP telephony 53 SoftMSC 53 Mobile Convergence 53 #G GPON 53 Broadcore 53 Redback SmartEdge 53 Session Initiation Protocol 53 NetComplete 53 SIP telephones 53 MicroTCA TM 53 Wavelength Division Multiplexing 53 TDM VoIP 53 EuroDOCSIS 53 ECI 1Net 53 Protocol Label Switching 53 WideCast 53 Hosted VoIP 53 Siemens SURPASS 53 Nortel #G [002] 53 Etherjack 53 Multiservice Provisioning Platform MSPP 53 8Gbit s FC 53 Switching MPLS 53 Gig Ethernet 53 DWDM optical transport 53 Tilgin STO TILG 53 BroadSoft BroadWorks ® 53 OSS BSS 53 Avaya Aura 53 BSS OSS 53 media gateways softswitches 53 VoIP Gateways 53 UCaaS 53 VOIP gateways 53 ADSL VDSL 53 HotView Pro 53 Synchronoss enables 53 NexTone IntelliConnect System 53 Calix C7 53 SDH SONET 53 Optical Multiservice Edge 53 QFabric 53 PSTN connectivity 53 Cisco TelePresence 53 zNID 53 EtherSAM 53 multiservice routers 53 3GPP Long Term 53 SONET rings 53 MLX Series 53 CDMA femtocell 53 #G/#G optical 53 BTI Systems 53 VoDSL 53 LignUp Communications Platform 53 TDM IP 53 Ethernet switches 53 MetaSwitch 53 convergent mediation 53 Gigabit Ethernet Passive Optical 53 G PON 53 equipment manufacturers TEMs 53 multiservice switches 53 VoWiFi 52 Sonus IMS 52 multipoint Ethernet 52 Gigabit 52 Enstara 52 UNIVERGE SV# 52 IMS SIP 52 multiservice optical 52 IP backbones 52 Ixia Nasdaq XXIA 52 SBC PremierSERV 52 Business Trunking 52 #G optical [001] 52 PBB TE 52 Lucent Technologies designs 52 Hosted PBX 52 Content Delivery Solution 52 Virtual Trunking 52 Metaswitch 52 protocol VoIP 52 CPE WAN 52 Infinera DTN optical 52 OpsLogic 52 wireless LAN 52 Hi FOCuS TM 52 CallTower 52 Next Generation Networks 52 drop multiplexer ROADM 52 access node MSAN 52 service providers CSPs 52 multiplay 52 optical networking 52 Pseudo Wire 52 SIP Trunking 52 headend 52 gigabit passive optical 52 platform MSAP 52 Ethernet switching 52 PacketCable 52 Common Photonic Layer CPL 52 LightSoft 52 1G EPON 52 LightningEdge 52 DataValet 52 Dawn Hogh 52 VoIP PBX 52 M7i 52 Ethernet OAM 52 ShoreTel UC 52 Carrier Cockpit TM 52 BayPackets 52 Geckotech 52 DWDM dense wavelength 52 Tmedia 52 #G Ethernet [001] 52 TNZI 52 Switching IP MPLS 52 Gigabit Ethernet switches 52 MEF certified 52 Peter Lunk 52 BroadSoft BroadWorks R 52 Covergence Session Manager 52 NASDAQ TXCC leading 52 Sonet SDH 52 OpenRG 52 Nortel Networks Passport 52 Inc. OTC GLOW 52 Voxitas 52 Ethernet VPLS 52 Juniper Networks routers 52 converged communications 52 VNOC 52 DynamicCity 52 Octasic Vocallo MGW 52 Cisco TelePresence TM 52 ITSPs 52 EtherSpeak 52 ARRIS DOCSIS 52 SAFARI C 52 Covergence Eclipse 52 Extility 52 Avaya VENA 52 VocalTec VoIP 52 Zhone MALC 52 Converged Communications 52 DVB-S2/ACM 52 UC Centrex 52 IPTV VoD 52 TVoIP 52 wavelength division multiplexing 52 iDirect Evolution platform 52 MetroMesh 52 Savvis Symphony 52 IP multicast 52 Content Delivery Networks CDNs 52 #Gb s Ethernet [002] 52 #.#G 3G 52 VDSL2 bonding 52 Nortel BCM 52 haul DWDM 52 #Gbps [001] 52 Spirent Landslide 52 ROADM 52 EtherSphere 52 IntelePeer 52 Provider Backbone Transport 52 Clarus Systems 52 EN #G 52 IPv6 multicast 52 DWDM optical 52 Packet Optical 52 microwave backhaul systems 52 Shenick diversifEye 52 RoamerNet 52 selects Alcatel Lucent 52 Internet Protocol VoIP 52 Label Switching MPLS 52 CDMA# 1X 52 GEPON 52 structured cabling solutions 52 iMAP 52 BigBand MSP# 52 Mobile Backhaul 52 Session Border 52 wireless LAN WLAN 52 IPNETZONE 52 BroadAccess 52 Infranet 52 Bonded T1 52 TippingPoint X# 52 aggregation switches 52 interconnect 52 Carrier Ethernet switches 52 OnDemand Switch 52 Brocade FastIron 52 #Gbps Ethernet [001] 52 interwork 52 SIP Session Initiation Protocol 52 BT Onevoice 52 UMA GAN 52 MDUs 52 Arbor Peakflow SP 52 Unified Communications 52 Integrated Trunking 52 Ethernet Passive Optical 52 XOptions Flex 52 BlackDiamond #K 52 superclass softswitch 51 Spirent TestCenter TM 51 Cirpack 51 DSL 51 FiberPath 51 Glimmerglass optical 51 PacketCable TM 51 VoIP Peering 51 vIP PASS 51 Media Gateways 51 SHDSL 51 Hitachi EPON 51 Tatara Subscriber Gateway 51 femtocell ecosystem 51 hiT 51 protocol IP telephony 51 JUNOS Software 51 IP softswitches 51 MediaXstream 51 VCAS ™ 51 DOCSIS ® 51 ADVA FSP 51 wireless LAN deployments 51 Converged Networks 51 BroadSoft 51 HiPath 51 Emulex OneConnect UCNAs 51 Denit 51 GPON ONT 51 1xEV DO 51 VocalTec Essentra 51 Lucent Accelerate 51 IP Multimedia Subsystems 51 Demand VoD 51 Gbps optical 51 IP NGNs 51 FTTx deployments 51 #G/#G [001] 51 Fiber Deep 51 Hatteras Networks EtherFLEX 51 equipment manufacturers NEMs 51 Cisco ONS 51 Tektronix Communications 51 Hybrid Fiber Coax 51 MXK platform 51 BT #CN 51 iWDM 51 Juniper routers 51 Occam Broadband 51 TDM circuits 51 SIP 51 #Gb Fibre Channel 51 FibeAir IP 51 Redback routers 51 AccuROAM 51 Borderless Networks 51 Ethernet Routing Switch 51 ServAssure Live 51 ADSL2plus 51 diversifEye 51 BroadCloud 51 PacketCable Multimedia 51 MetaSwitch softswitch 51 IP FoIP 51 hosted NAT traversal 51 Netstender 51 Ciena Carrier Ethernet 51 Nortel MCS 51 seamlessly interoperate 51 ultrafast internet 51 #G optical [002] 51 Comtrend 51 VPN router 51 PortalTV 51 IPv#/IPv# 51 MSC Servers 51 Netrac 51 TDM telephony 51 Shenick 51 MPLS TP 51 Gbps 51 Mobile WiMAX 51 NASDAQ RCNI leading 51 Cirrus Softswitch 51 E1s 51 IxRave 51 Redline WiMAX 51 GlobalConnect 51 LightEdge 51 multiprotocol label switching 51 ENUM registry 51 GeoStream Access Gateway 51 Nortel ERS 51 Virtual Chassis 51 Unified MBX 51 MetaLIGHT 51 FiberLight LLC 51 Computing Architecture ATCA 51 QoS 51 RollingStream 51 Sybase IPX 51 SIP Trunk 51 Unified Messaging 51 Managed Unified Communications 51 HomePortal 51 SMC Networks 51 Ekinops 51 AirPair 51 Cantata IMG 51 ECI LightSoft 51 CENX Carrier Ethernet 51 RFPON 51 GPON Gigabit Passive Optical 51 Cisco CRS 1 51 Cisco ASR 51 Access Concentrator 51 EMTAs 51 LANs WANs 51 demand VoD 51 GPON FTTH 51 NetBoss XT 51 WLAN VoWLAN 51 IP Trunking 51 IP PBXs 51 #Gbit s [001] 51 NetEnforcer 51 FTTH FTTP 51 #G/#G [003] 51 RedMAX 4C 51 MSAPs 51 Alcatel OmniSwitch 51 3G CDMA# 1X 51 WebEx MediaTone Network 51 wireless LANs 51 ActivEdge 51 ADVA Optical Networking FSP 51 NetPerformer 51 Managed Router 51 #G EPON 51 Core Routers 51 division multiplexing TDM 51 LoopStar 51 SCOPIA 51 Hammer XMS 51 Gbps wavelengths 51 #.#n WLAN 51 GPON optical 51 ECI Hi FOCuS 51 Signaling Gateway 51 IntelliNet 51 VQA TM 51 Tilgin 51 Verscom 51 OpVista 51 colocation interconnection 51 Alcatel LucentAlcatel Lucent 51 Espial MediaBase 51 KEYMILE 51 Juniper Networks MX 51 VDSL 51 IP backhaul 51 CPCNet 51 Loop Carrier BLC 51 femtocell 51 AVVID 51 reconfigurable optical add 51 T#/E# 51 CaaS 51 WiMAX 51 equipment providers NEPs 51 Borderless Networks architecture 51 VOIP 51 Cisco ISR 51 InterPort TM 51 FlexTCA 51 Gbps Ethernet 51 cellular backhaul 51 Zhone EFM 51 TECORE 51 ZSN 51 Extreme Networks 51 HN# Series 51 broadband VoBB 51 Softswitches 51 mesh nodes 51 Vocallo MGW 51 FoIP 51 CWDM DWDM 51 IP DSLAM 51 Covaro 51 structured cabling systems 51 Essentra EX 51 FusionWorks Mediation 51 pseudowires 51 Mzima Networks 51 ZebOS 51 PBXs 51 Vmux 51 Peakflow SP 51 Exalt Communications 51 Mavenir Systems 51 PSTN 51 coarse wavelength division multiplexing 51 Spirent TestCenter 51 Alcatel Lucents 51 Hosted Unified Communications 51 Netrake 51 Brocade DCX 4S 51 backhauling 50 IPnexus 50 LTE UE 50 VoIP gateways 50 Wave Division Multiplexing 50 Managed Telephony 50 UTStarcom mSwitch 50 #Gbps optical [001] 50 IPoDWDM 50 multiservice provisioning platforms 50 Infinera DTN 50 deployed Ciena CN 50 WLANPlus 50 HD video conferencing 50 softswitches 50 Taqua MobileWorks 50 LTE 50 premise FTTP 50 #GbE [002] 50 HSIA 50 Gbps DWDM 50 #.#n wireless LANs 50 QoStream 50 Alcatel Lucent OmniPCX Enterprise 50 multipoint conferencing 50 protocol interworking 50 PacNet delivers 50 #/#G [002] 50 HDTV IP Telephony 50 Net Insight Nimbra 50 fiber cabling 50 OCTEON II processors 50 SS7 ATM 50 RFoG 50 TRIDENT7 50 Verizon IP Trunking 50 Gigabit Ethernet WAN 50 IPTV Middleware 50 Telchemy 50 Ethernet Fibre Channel 50 Resilient Packet Ring RPR 50 Ortiva 50 NexTone 50 IP DECT 50 Wi Fi VoWi Fi 50 BigBand BMR 50 modular CMTS 50 Citel Technologies 50 #Gbit s [002] 50 ADSL2Plus 50 #GE [002] 50 Evolium 50 MiriATE 50 SURPASS hiT 50 EdgeMarc Network Services 50 Gigabit PON GPON 50 IPTV STB 50 mprodigy 50 SIP IMS 50 Femtocell Gateway 50 IPBX 50 FastLign 50 Kagoor 50 Multidimensional Ethernet 50 Spectra2 50 OneAccess 50 VoCable 50 hybrid fiber coaxial 50 linecards 50 multivendor networks 50 wireless broadband 50 cable modem termination 50 Ortronics Legrand 50 softswitch architecture 50 H3C S# [002] 50 Frame Relay ATM 50 IP Anycast 50 MetroScope 50 Motorola wi4 WiMAX 50 edgeBOX 50 Samih Elhage president 50 Time Division Multiplexing 50 MovingMedia 50 NTT VERIO 50 MSBGs 50 wi4 Fixed 50 Modular CMTS 50 immersive telepresence solutions 50 Aperto PacketMAX 50 Infinera Digital 50 MEF specifications 50 Mediaroom 50 Tatara Systems 50 StarPoint IP 50 FTTX networks 50 ShoreTel Unified Communications 50 VitalSuite 50 TelePresence 50 Edge Router 50 mobile softswitch 50 WANs 50 Service Delivery Platform 50 routers 50 network adapters CNAs 50 fiber coax HFC 50 fasp ™ 50 C4 CMTS 50 Smartworld 50 CMTS 50 Nortel Networks Succession 50 www.telenity.com 50 Gigabit Ethernet uplinks 50 ICOMS 50 CMTSs 50 fasp 50 virtualised infrastructures 50 3Com H3C 50 Glowpoint TEN 50 UltraLine Series3 50 AcceleNet 50 Multimedia Subsystem 50 SIP IX 50 Hosted PBX VoIP 50 MEF Carrier Ethernet 50 Service Node OMSN 50 Signalware 50 VoWi Fi 50 IP VPN MPLS 50 IPv6 50 Access Gateways 50 Cisco Catalyst 50 ALU NYSE ALU 50 #Gb s [001] 50 MobileXpress 50 ServerIron 50 Verizon CaaS 50 SCOPIA V#.# 50 UTS# 50 Global Crossing EtherSphere 50 WLAN 50 SCOPIA Elite 50 eNodeB 50 Juniper MX# 50 NetAct network 50 ISDN PRI 50 Tatara Convergence Server 50 Net SBCs 50 Ethernet WDM 50 TNXI leading 50 DSLAM backhaul 50 Access Devices EADs 50 highly scalable 50 ADSL ADSL2 + 50 Add Drop Multiplexer 50 Mbps symmetrical 50 Enventis Sector provides 50 Neopolitan Networks 50 CESoP 50 iPECS ES 50 3G femtocell 50 Ixia NASDAQ XXIA 50 EPON chipset 50 multi gigabit 50 HP ProCurve ONE 50 Nortel #G [001] 50 Bandwidth Virtualization 50 IP telephony IPT 50 DWDM backbone 50 VoicePipe 50 OSA Parlay 50 VideoGuard Express 50 Softswitch 50 Pseudowire 50 NGIN 50 ISAM FTTU 50 circuit emulation 50 IntelsatONE 50 IPv#/v# 50 EtherTone 50 Myri #G 50 DataMiner 50 AvayaAvaya 50 ZoneGate 50 6WIND 50 SIP interoperability 50 Tatara Mobile 50 converged 50 Celeno 50 Spatial Atrium 50 IP MPLS Ethernet 50 WDM optical 50 Flexi NG 50 Fiber Driver 50 6DegreesIP 50 Gigabit Ethernet connectivity 50 TANDBERG telepresence 50 IP MPLS routers 50 Thomson Cirpack 50 Gigabit Ethernet GigE 50 Comverse ONE 50 Access Platform MSAP 50 Polycom telepresence 50 IBM Tivoli Netcool 50 Virtela 50 Receives INTERNET TELEPHONY 50 Coarse Wavelength Division Multiplexing 50 FTTH fiber 50 fiber coaxial 50 IP RAN 50 Ingate SIParator 50 IPCentrex 50 Calix C7 Multiservice Access 50 Ethernet VLAN 50 MVNE platform 50 BubbleTALK ™ 50 Micromuse Netcool R 50 Femtocell 50 IP VOIP 50 Broadvox SIP Trunking 50 OpenStream 50 femtocell gateway 50 WAN optimization 50 SONET SDH OTN 50 Sphericall IP PBX 50 Juniper Networks EX 50 GSMA IPX 50 NexTone SBC 50 NetCologne 49 IPv#/IPv# routing 49 ExaScale 49 Access Node MSAN 49 ExaScale E Series 49 iTRACS 49 multiservice aggregation 49 TRuepoint 49 Motorola SURFboard 49 ResortLynx TM 49 T1 circuits 49 Crossbeam 49 Home FTTH 49 BlackDiamond ® 49 virtualized datacenter 49 #-Gbit/sec 49 Arcstar Global IP VPN 49 SURFboard 49 IP softswitch 49 SONET EoS 49 Circuit Emulation 49 Policy Controller PCRF 49 ADSL/ADSL2 + 49 Global Crossing IP VPN 49 Accedian 49 Switched Ethernet 49 WDM PON 49 Avail Media 49 Ciena FlexSelect Architecture 49 IPlay3 49 femtocell convergence 49 Motricity Fuel 49 Comverse MMSC 49 Inc. OTCBB TNXI 49 Gbit Ethernet 49 wave division multiplexing 49 Content Delivery Networks 49 ClarusIPC 49 Aruba wireless LAN 49 wireless LANs WLANs 49 GigaMux 49 #CN [002] 49 Broadband IP Telephony 49 Colocation Provider 49 Blankom 49 Mediant 49 Nimbra 49 Ethernet-over-SONET/SDH 49 Intellon HomePlug ICs 49 Platform MSAP 49 iPBX 49 TeleGea 49 BandCon 49 Voltaire InfiniBand 49 gigabit speeds 49 Fibre Channel Gigabit Ethernet 49 Premises FTTP 49 Wireless Mesh Network 49 Unified Fabric 49 Arel Spotlight 49 xPON 49 Cisco MeetingPlace 49 Sylantro Synergy 49 Call Continuity VCC 49 ClearAccess 49 Fibre Channel 49 4Gb Fibre Channel 49 photonic switching 49 MediaPrism 49 NEC iPASOLINK 49 OSSs 49 Broadvox GO 49 Inclarity 49 Swisscom Eurospot 49 Triple Play 49 8Gbit/sec 49 Customer Premises Equipment CPE 49 DesignWare SATA IP 49 iQ Networking 49 wireline 49 Managed WAN 49 LightRiver 49 VPN 49 DIRECWAY 49 Label Switching 49 Juniper T# 49 Allot NetEnforcer 49 PTSN 49 euTrade 49 Belgacom ICS 49 DWDM Dense Wavelength Division 49 O Virtualization IOV 49 Trapeze Smart 49 Telepresence 49 tekVizion 49 MEF certification 49 UltraBand 49 Motorola AXS# 49 desktop video conferencing 49 Alopa 49 GMPLS 49 Simpli Business 49 QoS CoS 49 Rackonomics 49 multimedia subsystem 49 CopperCom 49 AudioCodes Mediant 49 OpenScape UC Server 49 Ethernet connectivity 49 UNIVERGE# 49 converged multiservice 49 Alloptic RFoG 49 Vx7 49 Seamless Access 49 broadband 49 Ethernet Switching