Related by context. All words. (Click for frequent words.) 66 NAT traversal 66 SIP VoIP 66 NAT Traversal 64 RealTunnel 64 NAT firewalls 63 protocol interworking 63 Auto Attendant 63 NAT firewall 63 multipoint conferencing 63 Brekeke PBX 63 SIP Trunk 63 Session Initiated Protocol SIP 62 SIP trunk 62 SIP Session Initiated Protocol 62 IP Multicast 62 H.# SIP 62 PSTN gateway 62 hosted NAT traversal 62 NexTone SBC 61 audioconferencing 61 TDM ATM 61 Attendant Console 61 Network Address Translation 61 IP multicast 61 WAN LAN 61 SIP signaling 61 TDM IP 61 IPCentrex 61 mesh topology 61 IEEE #.#Q 60 VPN tunneling 60 SIP endpoints 60 address translation NAT 60 SIGTRAN 60 IP multicasting 60 LAN WLAN 60 Sonexis ConferenceManager 60 IPsec VPN 60 IPv#/v# 60 H.# MGCP 60 SNMPv3 60 PSTN connectivity 60 PSTN gateways 60 BT Onevoice 60 FW NAT 60 PowerTerm ® 60 Ingate Firewall 60 IP trunking 59 TCP optimization 59 firewall NAT 59 QoS VLAN 59 Echo Cancellation 59 topology hiding 59 VPN router 59 IEEE #.#x [002] 59 Timbuktu Pro 59 desktop video conferencing 59 RADIUS authentication 59 SIP Session Initiation Protocol 59 OMA compliant 59 PeerPoint 59 SIP interoperability 59 IKEv2 59 MGCP 59 OmniPCX Enterprise 59 HTTP FTP 59 SIP Proxy 59 TCP UDP 58 SCIM 58 NAT Firewall traversal 58 Softswitches 58 SNMP v3 58 SSL SSH 58 SIP MGCP 58 Jasomi 58 Automated Attendant 58 PBX IP PBX 58 IPsec VPNs 58 IGMP snooping 58 Essentra BAX 58 IPSec tunnel 58 firewall NAT traversal 58 IMAP SMTP 58 EdgeMarc 58 Tatara Convergence Server 58 IPv#/IPv# 58 bidirectional communication 58 encrypted VPN 58 converged IP telephony 58 Session Initiation Protocol 58 Session Initiation Protocol SIP 58 IPSec encryption 58 uMobility 58 JabberNow 58 interwork 58 Sigtran 58 eyeBeam 58 SIP Session 58 clientless remote access 58 UDP TCP 58 Kayote 58 TeleGea 58 #.#AE 58 synchronous asynchronous 58 IP backhaul 58 SONET EoS 58 SCOPIA Desktop 57 MediaTone 57 CardDAV 57 encrypted HTTPS 57 multicast routing 57 Multimedia Subsystem IMS 57 Iub 57 IntelliConnect System 57 multipoint video conferencing 57 IMS SIP 57 SS7 signaling 57 instant messaging conferencing 57 EdgeMarc Network Services 57 Stateful 57 iPassConnect 57 nCite 57 interworking 57 Ekiga 57 T.# Fax 57 smartcard authentication 57 LignUp Communications Platform 57 dual stack IPv#/IPv# 57 TCP acceleration 57 MODBUS RTU 57 Versera Video Mail 57 Trillium Femtocell 57 Juniper UAC 57 Cisco CallManager 57 CallManager Express 57 connectionless 57 Zoho Chat 57 Clientless 57 SIP RTP 57 VPN passthrough 57 EtherSpeak 57 Firewall NAT 57 Application Layer 57 M7i 57 3Com VCX 57 EtherSphere 57 SMS Router 57 Asterisk PBX 57 packetization 57 B2BUA 57 #.#X authentication 57 IPv6 routing 57 Cisco AXP 57 VoIP softswitch 57 Jasomi Networks 57 RTP RTCP 57 VolP 57 Dynamic DNS 57 PCIe GbE 57 PPTP VPN 57 Cisco MeetingPlace 57 AllOnHost 57 serverless 57 MSMQ 57 OnSIP 57 VPN Firewalls 57 Carrier ENUM 57 MBX IP 57 SNMP protocol 56 VoiceXML IVR 56 VoDSL 56 Shell SSH 56 ConferenceManager 56 find-me/follow-me 56 Covergence Eclipse 56 Citrix ICA 56 NexTone IntelliConnect System 56 SIParator 56 Modbus ASCII 56 IPv4 IPv6 56 MetroNID 56 pseudowires 56 adaptive bitrate 56 Line Interface CLI 56 Voxeo Prophecy 56 #/#Base-T 56 FXS ports 56 mSwitch 56 TZO 56 SIP H# 56 Location SUPL 56 Avistar C3 Communicator 56 Initiate Patient 56 VoIP softphone 56 Ericom ® 56 VQuad 56 inbound faxes 56 SMC#L# 56 IMS architectures 56 MEGACO 56 softphone 56 Quintum Tenor 56 Rapid Spanning Tree 56 SIP SS7 56 autoconfiguration 56 AudioCodes Mediant 56 Nefsis Basic 56 Smart Tunneling 56 VoiceXML browser 56 SM# AH 56 v2c 56 ISDN PRI 56 CrystalBlue Voice Service 56 WANScaler 56 CBA# 56 IOS XE 56 T.# fax 56 TACACS + 56 RS# serial 56 HTTP HTTPS 56 IPsec encryption 56 VoIP SIP trunking 56 TI PIQUA 56 LumenVox Speech Engine 56 iPBX 56 packet forwarding 56 Wavelink Speakeasy 56 FXO port 56 Pseudowires 56 IP softphone 56 ifbyphone 56 Signaling Gateway 56 User Plane 56 EdgeForce 56 Polycom RMX 56 VoIP peering 56 Cisco CallManager Express 56 HTTPS SSL 56 SCOPIA 56 FacetPhone 56 multipoint videoconferencing 56 LoopStar 56 MultiVOIP 56 BroadWorks platform 56 Dynamic Host Configuration 56 HTTP SOAP 56 MSC Servers 56 GPON EPON 56 reservationless conferencing 56 NAT firewall traversal 56 WANJet 56 Hitachi EPON 56 WAN failover 56 Mediant 56 PBX telephony 56 XO SIP 56 Analog Telephone 56 Essentra EX 56 IVR ACD 56 BACnet IP 56 Surpass hiT 56 Brekeke 56 Thomson Cirpack 56 PathView microAppliance 56 Covergence Session Manager 56 VRRP 56 BroadSoft BroadWorks 56 ACD IVR CTI 56 packet filtering 56 VPN gateway 56 #/#BASE-T 56 OfficeSuite 56 Virtual LANs VLANs 56 Avaya IP Softphone 56 Resilient Packet Ring RPR 56 HiveManager 56 TeraGo Voice 56 Link Aggregation 56 OmniCast 56 SIP H.# 56 ARM TrustZone 56 Load Balancer 56 TDM VoIP 56 SPI Firewall 55 RADIUS servers 55 Ethernet WAN 55 Octasic Vocallo MGW 55 PacketCable TM 55 #.#X supplicant 55 Ingate Firewalls 55 Cisco IP NGN 55 Distribution ACD 55 Nortel CS# 55 Wireless LAN VoWLAN 55 VN Link 55 VoIP Intercom 55 NAT Firewall 55 SecureSpot 55 Hosted PBX VoIP 55 Telnet SSH 55 LDAP authentication 55 SIP Server 55 Phlink 55 #/#/#BASE-T Gigabit Ethernet 55 inverse multiplexing 55 reservationless 55 3Com NBX 55 Secure File Transfer 55 ZSN 55 VoATM 55 snom phones 55 ASN Gateway 55 T#/E# interfaces 55 PPI PayMover 55 V2oIP 55 #.#b wireless LAN 55 LANs WANs 55 VNOC 55 IAX2 55 Video Coding SVC 55 Mini Socket iWiFi 55 MXmeeting 55 Receives Unified Communications 55 PortaSwitch 55 Taqua MobileWorks 55 Wi Fi VoWi Fi 55 LightSoft 55 Interact SPOT 55 PushMail 55 HP ProCurve ONE 55 XMediusFAX SP 55 NAT router 55 IPPBX 55 Virtual Chassis 55 NETCONF 55 IP centrex 55 WebDAV protocol 55 loopback mode 55 IP softswitch 55 IM P2P 55 interprocess communication 55 media gateways softswitches 55 3GPP IMS 55 VPF ENUM Registry 55 Hosted Collaboration 55 multivendor environments 55 LLDP MED 55 ReliaTel 55 synchronous Ethernet 55 iPAY 55 #.#b g wireless LAN 55 Alcatel OmniAccess 55 packet switched 55 VPN tunnels 55 Iu h 55 SIP protocol 55 IPsec VPN tunnels 55 RS# interfaces 55 #.#x authentication 55 SIP telephones 55 DHCP DNS 55 Ruckus FlexMaster 55 #/#Mbps Ethernet 55 IPBX 55 Vidtel 55 DMG# 55 IMAP4 protocols 55 P NAPs 55 MobileConnect 55 Allot NetEnforcer 55 Telephony Office LinX 55 Advanced Routing 55 VoiceFlow 55 protocol multimedia subsystem 55 Citrix MetaFrame Presentation Server 55 Cisco Unified CallManager 55 Ethernet TCP IP 55 Aspect EnsemblePro 55 NATs 55 CAMEL roaming 55 FXO FXS 55 Provisioning Manager 55 WAN interfaces 55 CallPilot 55 EdgeView 55 Alcatel Lucent OmniPCX Enterprise 55 VLAN tagging 55 Digi Passport 55 Call Routing 55 VOIP TDM E1 55 FREETALK Connect 55 Toshiba Strata 55 Sonus GSX# 55 BorderWare SIPassure 55 GuideBuilder 55 EdgeView VoIP Support 55 Operator Console 55 SS7 Signaling 55 Uniphi Suite 55 CSU DSU 55 DCOSS 55 Lotus Sametime Unified 55 SIP trunks 55 asynchronous messaging 55 IP3 NetAccess 55 ITSPs 55 PCIe Gen 2 55 SIP IP PBX 55 Completes Interoperability Testing 55 extensible APIs 55 MTP2 55 Avaya SIP 55 HP NonStop TM 55 VoIP Gateways 55 ClariLink 55 dual gigabit Ethernet 55 BeoLink 55 Bi directional 55 Roaming Client 55 ATM Frame Relay 55 Next Generation Messaging 55 multihoming 55 FindMe 55 Modbus RTU 55 SmartWare TM 55 PBXpress 55 FreeNET 55 video recorder NVR 55 LANShield Switch 55 TCP IP networking 55 distributor ACD 55 MyCall 54 Adaptive Streaming 54 EtherNID 54 NET SatisFAXtion 54 Protocol IP 54 VXML 54 VoiceStick 54 L7 Enterprise 54 IGMP 54 Telchemy VQmon 54 Gigabit Ethernet Fibre Channel 54 #/#BaseT 54 multitechnology 54 Verizon IP Trunking 54 FTP SFTP 54 i# VRS 54 Symantec LiveUpdate 54 OfficeConnect 54 Acme Packet SBC 54 MetaSwitch VP# 54 ADSL/ADSL2 + 54 Broadvox GO 54 MobileVoIP 54 ENTICE 54 VPN routers 54 BroadWorks 54 stateful firewall 54 outbound faxing 54 PIKA Connect 54 SMTP POP3 54 VPN 54 Ingate SIParator 54 Generic Framing Procedure GFP 54 Envox CT Connect 54 LDAP integration 54 UNIVERGE 54 MEF certified 54 Kagoor 54 BroadSoft BroadWorks R 54 Gigabit WAN 54 SIP 54 LLDP 54 #/#/#BASE-T 54 CallRex 54 Apache Synapse 54 NetBorder Express 54 SS7 ISDN 54 IPSec tunnels 54 Unified Conferencing 54 EdgeConnect 54 RS#/RS# 54 Secure FTP 54 proxying 54 #/#G [002] 54 bi directional communication 54 Phybridge UniPhyer 54 Reactivity XML 54 Avaya Aura ™ 54 FXO ports 54 SIParators 54 SS7 SIP 54 #.#b g WLAN 54 IM Instant Messaging 54 #GbE NIC 54 Gigabit Ethernet uplink 54 T.# fax relay 54 deskphone 54 Peakflow SP 54 configuration wizards 54 Access Devices EADs 54 Calix C7 54 #/#Base-T Ethernet 54 Polycom MGC 54 iWARP RDMA 54 CPE modems 54 SPA# [001] 54 SIP trunking 54 interface CLI 54 VoipNow 54 SmartDeploy 54 Layer 2/Layer 3 54 CallCenterAnywhere 54 Ethernet SONET SDH 54 NexTone MSC 54 AirSync 54 HTTP SMTP 54 Nortel MCS 54 OmniVista 54 BroadSoft BroadWorks VoIP 54 ICSA certified 54 VoICE 54 SSH SFTP 54 SmartEdge platform 54 AnyConnect 54 Multiprotocol Label Switching 54 IP Anycast 54 TeleVantage 54 TDM backhaul 54 Fibre Channel Gigabit Ethernet 54 RTSP 54 SmartCall 54 Hosted IP PBX 54 POP3 SMTP 54 PT SEGway 54 seamless interworking 54 TDMoIP 54 Managed Router 54 Widevine Cypher 54 Gigabit Ethernet SFP + 54 SmartAccess 54 Sylantro Synergy 54 SIP Trunking Solution 54 #GbE connectivity 54 SS#/C# 54 OnDemand SaaS 54 Optivity 54 BlueNote SessionSuite 54 CUCM 54 CheckFree TradeFlow 54 StorNext Storage Manager 54 Netgear ProSafe 54 OpenScape UC Suite 54 PXE boot 54 Telephony Solution 54 Enea LINX 54 Empirix Hammer XMS 54 bi directional 54 Survivable Remote Site 54 control lists ACLs 54 MGCP NCS 54 configuration wizard 54 Asterisk telephony 54 Real Dialup Win 54 PressureWire Aeris 54 #/#BaseT Ethernet 54 SIP IMS 54 Hummingbird Enterprise DM 54 IP Trunking 54 OpenRG 54 Jungo OpenRG 54 please visit www.EXFO.com 54 G.SHDSL 54 ConfD 54 NTT VERIO 54 PWE3 54 Jabber XMPP 54 Remote Desktop Protocol RDP 54 failover capabilities 54 CT ADE 54 SolutionIP TM 54 Geofencing 54 AEP Netilla 54 VoIP 54 gigabit Ethernet switches 54 Logitech LifeSize 54 TotalRoam R 54 Remote Procedure Call 54 SIP Servlet 54 HN# Series 54 IPSEC 54 enterprise WLANs 54 NuContact Center 54 stateful inspection firewall 54 OpenSpeech 54 TLS SSL 54 DHCP Server 54 Samsung OfficeServ 54 firewalls routers 54 Lucent IMS 54 AirLink TM 54 FCoE CEE 54 Paradial 54 Ethernet Extender 54 AT AR#S 54 FIPS compliant 54 ISDN DSL 54 WNHDE# 54 Minerva iTVManager 54 Novell BorderManager 54 NetBorder 54 Presence Server 54 FSP #RE 54 SMTP FTP 54 broadband VoBB 54 BrixWorx 54 Hammer XMS 54 IPv6 multicast 54 #/#/# LAN 54 Softphone 54 IP Routing 54 interconnect billing 54 Netilla Security 54 OADMs 54 IWLAN 54 Conferencing Solution 54 eNterprise IP Messenger 54 Call Continuity VCC 54 Hosted IVR 54 strand mounted BelAir#S 54 TFTP server 54 Modular Messaging 54 MPLS Multiprotocol Label Switching 54 WorkFlow 54 IPTube 54 FreePBX 54 Multiprotocol Label Switching MPLS 54 mStage 54 cluster nodes 54 BroadWorks VoIP application 54 SCPS TP 54 stateful packet inspection 54 VoEX 54 Juniper SSL VPN 54 EtherNID ™ 54 Video Conferencing Solution 54 NEC UNIVERGE 54 IMS TISPAN 54 ExtremeXOS ® 54 Grandstream SIP 54 HTTP protocols 53 subnet roaming 53 CiceroPhone 53 G.# codec 53 SOAP HTTP 53 Pseudo Wire 53 #/#-bit WEP encryption 53 seamlessly interoperates 53 IP KVM switches 53 wirespeed 53 ONVIF compliant 53 ViewXpand 53 traverse firewalls 53 PPPoE 53 About Arbinet Arbinet 53 Dawn Hogh 53 Acme Packet SBCs 53 M5Connect 53 anycast 53 support SNMP v1 53 Pano Direct 53 PTSN 53 RoIP 53 AnyConnect Secure Mobility 53 Terminal Emulation 53 Nortel VPN Router 53 VPN concentrators 53 SIP SIMPLE 53 ShoreTel IP telephony 53 Megaco 53 HL7 messaging 53 Bonded ADSL2 + 53 Lucent VitalQIP 53 IMS VCC 53 Virtual LAN VLAN 53 EdgeMarc VoIP VPN 53 Flexi NS 53 Predictive Dialers 53 reconfigurable optical 53 6DegreesIP 53 FUSION PACS 53 VOIP gateways 53 ZebOS 53 LDAP Lightweight Directory 53 DPH #U 53 intercompany Cisco TelePresence 53 Protocol Label Switching 53 QoS mechanisms 53 FlexFabric 53 NGN IMS 53 3DES encryption 53 EasyVPN 53 JDF Job 53 Novarra Vision 53 ETHERNET 53 Ethernet aggregation 53 MPLS VPLS 53 Services Switch PSX 53 TCP IP iSCSI 53 Voice Messaging 53 Zhone MALC 53 ITSP 53 PoE injector 53 Management Protocol SNMP 53 FIPS #-# compliant 53 ENUM registry 53 IPSec SSL 53 IP VPN MPLS 53 WebTop 53 EtherNID TM 53 Fusion Efonica branded 53 trunking gateway 53 Connection Broker 53 MVTS II 53 HTTP proxy 53 vSwitch 53 Gigabit interfaces 53 Synchronous Optical Network 53 Convergys ICOMS 53 bi directionally 53 GPRS EDGE UMTS 53 Citrix XenServer virtualization 53 Voicemail Transcription 53 SCOPIA Elite MCU 53 Nominum DNS 53 lossless Ethernet 53 Application Firewall 53 IBM Sametime Unified 53 Multiservice Access Platform 53 3GPP compliant 53 RSTP 53 routing topology 53 fieldbuses 53 Wireless Telephones 53 8Gb FC 53 PSTN 53 DVB ASI 53 TIBCO Rendezvous 53 Media Processing HMP 53 Nortel Networks Succession 53 SOAP API 53 Gridborg HMP 53 CMA Desktop 53 automated failover 53 #v# [004] 53 GateD 53 #Base T [003] 53 stateful failover 53 Click2Call 53 iLBC 53 Infranet 53 Peakflow SP platform 53 Aepona Causeway 53 EMC Documentum eRoom 53 Cisco Unified MeetingPlace 53 Hosted PBX 53 Profinet IO 53 TANDBERG MXP 53 SmartConnect 53 zNID 53 Polycom CMA 53 Siemens HiPath 53 firewall router 53 OnviCenter 6 53 FastIron GS Series 53 optical DWDM 53 FastIron SuperX 53 Netegrity SiteMinder 53 ETM System 53 VPN Cubed 53 Storage Controllers 53 IP VOIP 53 Avaya Aura TM 53 SPI firewall 53 NetIQ AppManager 53 SonicOS 53 Irv Shapiro CEO 53 Prepaid Tracker 53 Zimbra Appliance 53 Intelligent Notification 53 Trillium LTE 53 WebView 53 Business Trunking 53 Trunking 53 VidyoConferencing 53 InstantOffice 53 SIM Toolkit 53 Caymas 53 conferencing instant messaging 53 RS#/# 53 Aggregation Platform 53 seamless handoff 53 Arcstar Global IP VPN 53 SRIO 53 SIP Registrar 53 MMTel 53 RIP OSPF 53 rdesktop 53 IP PCoIP 53 PBX IVR 53 Direct Inward Dialing DID 53 ControlSwitch 53 Genesys Voice 53 Layer SSL 53 circuit emulation 53 IPNET 53 SmartRecord R 53 QoS CoS 53 ACD IVR 53 LoadMaster DR 53 Neoteris IVE 53 Qfiniti Assist 53 RADVISION SCOPIA 53 SIP softphone 53 AirVantage Platform 53 Customer Premise Equipment CPE 53 SSL encrypted traffic 53 IEEE #.#X 53 FTP HTTP 53 Lockdown Enforcer 53 Diva Server 53 EAP TLS 53 CallManager 53 Zoiper 53 SRTP 53 Circuit Emulation 53 WAN router 53 Spontania 53 Xcelerator IP 53 seamless integrations 53 DSView 3 53 IP VoIP 53 DCS #L 53 Managed Dedicated 53 multiprotocol 53 router firewall 53 Modbus TCP 53 Multipoint 53 Multiservice Access 53 DECT handsets 53 Tone ReliaTel 53 Centrex IP 53 interprocess communications 53 Brekeke SIP Server 53 Brooktrout SR# 53 SoftPhone 53 Avistar C3 Integrator 53 SSH SSL 53 Alcatel OmniPCX Enterprise 53 CN# [002] 53 Cisco SBCS 53 OnDemand Switch platform 53 1Gb Ethernet 53 VFrame DC 53 Arel Spotlight 53 U4EA Fusion 53 Softphones 53 NetMotion Wireless Mobility XE 53 ISUP 53 DHCP Dynamic Host Configuration 53 toolkit SDK 53 Dialler 53 GPIB interfaces 53 IPv#/IPv# dual stack 53 Net6 53 EMC Smarts 53 PSTN ISDN 53 WatchGuard UTM 53 TRU Flow 53 Cisco TelePresence endpoints 53 VBSALT 53 QoS Quality 53 Intel #L 53 UniPhyer 53 IronPoint 53 Wave Division Multiplexing 53 Juniper JUNOS 53 BrightCom ClearView Conferencing 53 EDI/B2B 53 SpycerBox 53 CyberGatekeeper 53 Microsoft Lync Server 53 IPTV Middleware 53 Interaction Dialer ® 53 EX# switches 53 WNDAP# 53 Nexidia OnDemand 53 VPN VLAN 53 Virtual HBA 53 T#/E# WAN 53 Quintum VoIP 53 B2Bi 53 AcceleNet 53 CosmoCall Universe 53 virtual LANs VLANs 53 CiscoWorks 53 PBB PBT 53 #.# GHz DSRC 53 AvistarVOS 53 GigaVUE ® 53 ADSL2 + VDSL2 53 CESD portfolio 53 RTP RTSP 53 static IPs 53 StorageLink 53 Sansay 53 SIP PBX 53 T1 E1 52 PROFIBUS PA 52 Tatara Subscriber Gateway 52 NetEnforcer 52 exacqVision 52 HotView Pro 52 Gigabit uplink 52 xsp 52 LAN WAN 52 iWDM 52 Altor VF 52 Sangoma NetBorder Express 52 reachability 52 ConnectWise PSA 52 softswitch architecture 52 iGateway 52 Cisco Wireless LAN 52 convergent billing solution 52 Alvarion WiMAX 52 QUALCOMM BREW TM 52 Netrac 52 Cantata IMG 52 Bidirectional 52 BrightCom Lumina Telepresence 52 Microsoft Cluster Server 52 UMTS/3G 52 #Kbps modem 52 Citrix OpenCloud 52 SDH SONET 52 NAS iSCSI 52 VLAN stacking 52 DirectRoute 52 Control Protocol MGCP 52 Active Directory authentication 52 Access Concentrator 52 GigaMux 52 autodiscovery 52 Ai Logix 52 IPsec IKE 52 HIPAA EDI 52 VoIP gateways 52 SiliconDrive Secure 52 IBM Lotus Instant Messaging 52 universal transcoding 52 Exalt systems 52 OCT# Series 52 Gigabit Ethernet GigE 52 ScreenOS 52 DES #P 52 Spirent Landslide 52 programmatic interfaces 52 VoiceGenie VoiceXML 52 XKMS 52 Ethernet LANs 52 VoIP PBX 52 ShoreTel Unified Communications 52 Serial FPDP 52 HTTP protocol 52 VOIP PBX 52 WebEx PCNow 52 L2 L7 52 SSH Tectia Manager 52 Strata CIX 52 ipUnplugged 52 hosted IP PBX 52 WiFi VoWiFi 52 Comware 52 IP FCIP 52 Qfiniti Enterprise 52 PNI Platform 52 Sentrion 52 BGP OSPF 52 softphones 52 CIX# [003] 52 FlexACM 52 Service VaaS 52 UserGate 52 FileCatalyst 52 VoiceEngine 52 WAP SMS 52 VDSL2 ADSL2 + 52 Internet Protocol Multiprotocol