ZyXEL Communications 2000W manual 12.11 NAT, SIP Proxy

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Prestige 2000W_V2 User’s Guide

Figure 19 SIP

Table 11 SIP

LABEL	DESCRIPTION

SIP PROXY

Proxy IP Address	This field displays the IP address or domain name of your SIP proxy
	server.
User Account

Registrar Username	This field displays the username as supplied by your VoIP provider to
	access the SIP server.
Local Name	This field displays the name used to interoperate with other SIP devices
	and identify your Prestige on a network.
Phone Number	This field displays your telephone number as your VoIP provider gave
	you.
Registration Status	This field displays either Registered or Not Registered depending on
	the success of your Prestige’s connection to the SIP-Server.

12.11 NAT

NAT (Network Address Translation - NAT, RFC 1631) is the translation of the IP address of a host in a packet. For example, the source address of an outgoing packet, used within one network is changed to a different IP address known within another network.

In the simplest form, NAT changes the source IP address of a packet received from a device to another IP address before forwarding the packet towards the destination. When the response comes back, NAT translates the destination address back to the device’s IP address and forwards it to the device.

NAT routers are commonly used to translate private (or internal) IP addresses in packet headers to public (or external) IP addresses and vice versa. A NAT router maps a private IP address and port pair to a public IP address and port, and whenever the NAT router receives a packet with that public IP address and port, it knows how to reroute the packet back to the private IP address and port.

Chapter 12 User Web Configurator Screens

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Image 81

Contents Prestige 2000WV2 Page Disclaimer CopyrightTrademarks Prestige 2000WV2 User’s GuideCertifications Federal Communications Commission FCC Interference StatementSafety Warnings Safety WarningsZyXEL Limited Warranty ZyXEL Limited WarrantyCustomer Support Customer SupportUnited Kingdom Table of Contents Chapter Network Settings Chapter Information Menus Appendix a Product Specifications 107 Appendix B Appendix C Prestige 2000WV2 User’s Guide Table of Contents List of Figures List of FiguresPeer-to-Peer Communication in an Ad-hoc Network 119 List of Tables List of TablesEight Subnets About Your Prestige PrefaceRelated Documentation Syntax ConventionsGraphics Icons Key User Guide FeedbackGetting To Know Your Prestige FeaturesPlace a Call via SIP Proxy Server SIP Call Server ApplicationsDirect IP to IP Calling Ad-Hoc Wireless IntercomPrestige Hardware Descriptions Getting to Know the Prestige HardwarePrestige 2000WV2 User’s Guide Prestige 2000WV2 User’s Guide Getting To Know Your Prestige Using the LCD Screen Menus Using the LCD Screen MenusLCD Main Screen Navigating the LCD Screen Menus Text InputPrestige 2000WV2 User’s Guide LCD Main Screen Press the OK key when you are done Prestige 2000WV2 User’s Guide Using the LCD Screen Menus Wireless LAN Setup Menus Wireless LAN Setup MenusSite Survey Select Site SurveySelect Wireless in the first menu screen use the up or down Network ModeSsid Arrow to highlight it and then press the Left keyChannel Select Network ModeWEP Encryption RateSelect Key Select Authentication TypeProfiles WEP for encryption, not for authenticationCreate Prestige 2000WV2 User’s Guide Wireless LAN Setup Menus Network Settings Network SettingsFixed IP Select IP AddressSelect Subnet Mask DhcpPPPoE Select PPPoE Pwd Select PPPoE NameSIP Settings SIP SettingsRegistrar Server Select Registrar Select Registrar IPOutbound Proxy Server Select Expiry TimeSelect Outbound Proxy Select Proxy Server Proxy ServerSelect User Account Select Phone Number User AccountSelect User Pwd Prestige 2000WV2 User’s Guide SIP Settings Calling Methods PhonebookAdding a Phonebook Entry PhonebookSelect Add Entry Editing Phonebook EntriesErasing Phonebook Entries Select Speed Dial Speed Dial Phonebook EntriesCall History Missed CallsCall History Received Calls Erasing Calls Dialed CallsSelect Erase Calls Miscellaneous Settings Setting the Ring MelodyMiscellaneous Settings Setting the Vibration Mode Adjusting the Ring VolumeSelect Ringer Volume Setting the Date Setting the TimeSelect Edit Time Select Edit DateSetting the Key Lock Setting the BannerSelect Settings in the first menu screen Press the Left key to save your settingSelect Don’t Disturb Setting the Don’t DisturbPrestige 2000WV2 User’s Guide Miscellaneous Settings Displaying Information Information MenusSelect MAC Address Information Menus11Select Firmware Ver Using Speed Dial to Dial a Telephone Number Using the Phonebook to Dial a Telephone NumberPrestige Usage Dialing a Telephone NumberChanging the Volume Answering a CallRejecting a Call Introduction to the Web Configurator Using the Web Configurator ScreensLogin Using the Web Configurator ScreensLogin Screen Navigating the Prestige Web ConfiguratorSIP Web Configurator User Screens SummaryNAT Trvsl Phone BookWeb Configurator Administrator Screens Summary PhoneTOS/DS User Web Configurator Screens User Web Configurator ScreensDevice Information IP Address AssignmentMAC Address IP Address and Subnet MaskDNS Server Network Configuration StaticNetwork Configuration Dhcp CancelApply Dhcp PPPoE Network Configuration Network Configuration PPPoE12.9.1 SIP VoIP IntroductionSIP Identities PPPoESIP Client Server SIP Call ProgressionSIP Call Progression InviteSIP Proxy Server 12.9.1.4 RTP SIP ConfigurationSIP Proxy 12.11 NATNAT Types NAT ExampleFull Cone Restricted Cone Port Restricted Symmetric Full Cone NATFull Cone NAT Example Restricted Cone NATSymmetric NAT Port Restricted Cone NATNAT and SIP SIP ALGFake WAN Address on SIP and RTP NAT Traversal Configuration StunOutbound Proxy ALG NAT Traversal ConfigurationPhone Book Phone Book ConfigurationCalling Methods StunDelete PhonebookWireless Settings Wireless IntroductionWEP Encryption Prestige 2000WV2 User’s Guide PhonebookWEP Ssid12.19 S/W Update SystemSubmit Zip files before you can upload them W UpdateAdministrator Web Configurator Screens Administrator Web Configurator ScreensType the SIP proxy server settings SIP Proxy ConfigurationSIP URI SIP ConfigurationPrestige 2000WV2 User’s Guide IP Configuration Voice Coding13.3.1 G.711 Pstn Call Setup Signaling Phone Setting13.3.2 G.729 100 Administrator Web Configurator Screens Administrator Web Configurator Screens 101 Quality of Service102 Administrator Web Configurator Screens 13.8 ToSIntroduction to DiffServ Troubleshooting Problems Starting Up the PrestigeProblems Using the Keypad Problems Accessing the Prestige Troubleshooting Accessing the Prestige104 Troubleshooting Restoring the Factory Default Settings Error Message TroubleshootingError Message Troubleshooting Troubleshooting 105Prestige 2000WV2 User’s Guide 106 Troubleshooting Hardware Specifications Specification TablesAppendix a Product Specifications 107 MIC108 Appendix a Product Specifications Prestige 2000WV2 User’s Guide Firmware FeaturesHTTP, TFTP, TCP, UDP, DNS, ARP, Icmp EssidIP Classes IP AddressingClasses of IP Addresses Appendix B IP Subnetting 109Subnetting Subnet MasksAllowed IP Address Range By Class Natural MasksAlternative Subnet Mask Notation Example Two SubnetsTwo Subnets Example Appendix B IP Subnetting 111112 Appendix B IP Subnetting SubnetAppendix B IP Subnetting 113 Example Four SubnetsEight Subnets Example Eight SubnetsClass C Subnet Planning 114 Appendix B IP SubnettingSubnetting With Class a and Class B Networks Class B Subnet PlanningAppendix B IP Subnetting 115 Prestige 2000WV2 User’s Guide 116 Appendix B IP Subnetting Benefits of PPPoE PPPoE in ActionTraditional Dial-up Scenario Appendix C PPPoE 117Prestige as a PPPoE Client How PPPoE WorksWireless LAN Topologies Ad-hoc Wireless LAN ConfigurationAppendix D Wireless LANs 119 120 Appendix D Wireless LANs Basic Service SetInfrastructure Wlan Appendix D Wireless LANs 121Prestige 2000WV2 User’s Guide 122 Appendix D Wireless LANs Numerics IndexIndex 123 Dtmf711 22, 98 729 22, 99 124 IndexIndex 125 SIP ALG 126 IndexWlan Index 127

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