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P-2000W_V2 User’s Guide

80

Chapter 12 User Web Configurator Screens

12.9.1.1.2 SIP Service Domain

The SIP service domain of the VoIP service provider is the domain name in a SIP URI. For
example, if the SIP address is

[email protected]

, then “VoIP-provider.com” is

the SIP service domain.

12.9.1.2 SIP Call Progression

The following figure displays the basic steps in the setup and tear down of a SIP call. A calls
B.

1

A sends a SIP INVITE request to B. This message is an invitation for B to participate in a
SIP telephone call.

2

B sends a response indicating that the telephone is ringing.

3

B sends an OK response after the call is answered.

4

A then sends an ACK message to acknowledge that B has answered the call.

5

Now A and B exchange voice media (talk).

6

After talking, A hangs up and sends a BYE request.

7

B replies with an OK response confirming receipt of the BYE request and the call is
terminated.

12.9.1.3 SIP Client Server

SIP is a client-server protocol. A SIP client is an application program or device that sends SIP
requests. A SIP server responds to the SIP requests.
When you use SIP to make a VoIP call, it originates at a client and terminates at a server. A
SIP client could be a computer or a SIP phone. One device can act as both a SIP client and a
SIP server.

12.9.1.3.1 SIP User Agent

A SIP user agent can make and receive VoIP telephone calls. This means that SIP can be used
for peer-to-peer communications even though it is a client-server protocol. In the following
figure, either A or B can act as a SIP user agent client to initiate a call. A and B can also both
act as a SIP user agent to receive the call.

Table 10

SIP Call Progression

A

B

1. INVITE

2. Ringing

3. OK

4. ACK

5.Dialogue (voice traffic)

6. BYE

7. OK

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Содержание PRESTIGE 2000W V2

Страница 1: ...P 2000W_V2 VoIP Wi Fi Phone User s Guide Version WV 00 01 6 2005...

Страница 2: ......

Страница 3: ...EL Communications Corporation All rights reserved Disclaimer ZyXEL does not assume any liability arising out of the application or use of any products or software described herein Neither does it conv...

Страница 4: ...io communications If this equipment does cause harmful interference to radio television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct t...

Страница 5: ...P 2000W_V2 User s Guide Federal Communications Commission FCC Interference Statement 5...

Страница 6: ...ctrocution If the power supply is damaged remove it from the power outlet Do NOT attempt to repair the power supply Contact your local vendor to order a new power supply Place cables carefully so that...

Страница 7: ...an act of God or subjected to abnormal working conditions Note Repair or replacement as provided under this warranty is the exclusive remedy of the purchaser This warranty is in lieu of all other war...

Страница 8: ...5 2860 Soeborg Denmark sales zyxel dk 45 39 55 07 07 FINLAND support zyxel fi 358 9 4780 8411 www zyxel fi ZyXEL Communications Oy Malminkaari 10 00700 Helsinki Finland sales zyxel fi 358 9 4780 8448...

Страница 9: ...Ltd 11 The Courtyard Eastern Road Bracknell Berkshire RG12 2XB United Kingdom UK sales zyxel co uk 44 0 1344 303044 44 0 1344 303034 UK only 0845 2267839 ftp zyxel co uk a is the prefix number you en...

Страница 10: ...P 2000W_V2 User s Guide 10 Customer Support...

Страница 11: ...Know Your Prestige 23 1 1 Features 23 1 2 Applications 24 1 2 1 Place a Call via SIP Proxy Server SIP Call Server 24 1 2 2 Direct IP to IP Calling 25 1 2 3 Ad Hoc Wireless Intercom 25 1 3 Getting to...

Страница 12: ...ds 51 6 2 Adding a Phonebook Entry 51 6 3 Editing Phonebook Entries 52 6 4 Erasing Phonebook Entries 53 6 5 Speed Dial Phonebook Entries 54 Chapter 7 Call History 55 7 1 Missed Calls 55 7 2 Received C...

Страница 13: ...Configurator 69 11 2 Accounts 69 11 2 1 Login 69 11 3 Navigating the Prestige Web Configurator 70 Chapter 12 User Web Configurator Screens 73 12 1 Device Information 73 12 2 IP Address Assignment 73 1...

Страница 14: ...pdate 95 Chapter 13 Administrator Web Configurator Screens 97 13 1 NAT Traversal Configuration 97 13 2 SIP Proxy Configuration 98 13 3 Voice Coding 100 13 3 1 G 711 100 13 3 2 G 729 101 13 4 PSTN Call...

Страница 15: ...ight Subnets 116 Subnetting With Class A and Class B Networks 117 Appendix C PPPoE 119 PPPoE in Action 119 Benefits of PPPoE 119 Traditional Dial up Scenario 119 How PPPoE Works 120 Prestige as a PPPo...

Страница 16: ...P 2000W_V2 User s Guide 16 Table of Contents...

Страница 17: ...PPPoE Network Configuration 78 Figure 16 SIP User Agent 81 Figure 17 SIP Proxy Server 81 Figure 18 SIP Redirect Server 82 Figure 19 SIP 83 Figure 20 NAT Outgoing 84 Figure 21 NAT Incoming 84 Figure 2...

Страница 18: ...de 18 List of Figures Figure 39 Prestige as a PPPoE Client 120 Figure 40 Peer to Peer Communication in an Ad hoc Network 121 Figure 41 Basic Service Set 122 Figure 42 Infrastructure WLAN 123 Figure 43...

Страница 19: ...17 S W Update 96 Table 18 NAT Traversal Configuration 98 Table 19 SIP Configuration 99 Table 20 PHONE 102 Table 21 System 103 Table 22 TOS DIFFSERV 104 Table 23 Troubleshooting the Start Up of Your P...

Страница 20: ...P 2000W_V2 User s Guide 20 List of Tables Table 39 Subnet 3 115 Table 40 Subnet 4 116 Table 41 Eight Subnets 116 Table 42 Class C Subnet Planning 116 Table 43 Class B Subnet Planning 117...

Страница 21: ...ou to type one or more characters and press the carriage return Select or Choose means for you to use one of the predefined choices The choices of a menu item are in Bold Arial font A single keystroke...

Страница 22: ...P 2000W_V2 User s Guide 22 Preface Graphics Icons Key Prestige Computer Notebook Computer Server Switch Router Telephone Trunking Gateway Wireless Signal...

Страница 23: ...nabled wireless network The Prestige is easy to use and configure via the LCD display and keypad You can even manage your settings over the Internet using the Prestige s web configurator 1 1 Features...

Страница 24: ...generates background noise to fill moments of silence when the other device in a call stops transmitting because the other party is not speaking as total silence could easily be mistaken for a lost c...

Страница 25: ...e Prestige registers with a SIP proxy server in the following circumstances Your connection uses an IP Telephony Service Your connection is based in a corporate VoIP environment 1 2 2 Direct IP to IP...

Страница 26: ...the previous menu It is also a shortcut to the phone book 4 Arrow Keys Use the arrow keys to navigate between menus and move the cursor Use the left arrow key to clear text in an editable field 5 OK...

Страница 27: ...To Know Your Prestige 27 10 Volume Keys Use these keys to increase or decrease the ear piece volume 11 Power Jack Connect the phone s power adapter here to charge the battery Table 1 Prestige Hardwar...

Страница 28: ...P 2000W_V2 User s Guide 28 Chapter 1 Getting To Know Your Prestige...

Страница 29: ...0 ZyXEL Not registered Menu Names Table 2 LCD Main Screen LABEL DESCRIPTION This icon shows the strength of the wireless LAN signal 12 00 The time displays in the top center This icon shows the batter...

Страница 30: ...IP settings 2 2 1 Text Input Figure 7 Text Input When you need to enter text or numbers in a screen use the Off key or the left arrow to clear the default text or backspace The bottom center of the sc...

Страница 31: ...he keypad to enter the text You may need multiple keypad presses to enter letters For example to enter a lowercase b press the down arrow key to select lowercase mode a then press the 2 key twice Use...

Страница 32: ...P 2000W_V2 User s Guide 32 Chapter 2 Using the LCD Screen Menus...

Страница 33: ...e Prestige restarts when you return to the main screen after changing the wireless settings 3 1 Site Survey Do the following to browse the APs available in your area and select one 1 Select Wireless i...

Страница 34: ...dent network without the need of an access point AP An Infra infrastructure network has an AP that allows wireless clients to connect to the wired network Do the following to select the network mode t...

Страница 35: ...el 5 Rate Select Back 3 Select Infra to access an AP Select Ad Hoc to form an independent network with another wireless client like another Prestige for example without the need of an AP 2 Infra 1 Ad...

Страница 36: ...elect Rate 6 WEP Select 7 Profiles Select Back 3 Select Auto to have the Prestige automatically use the highest rate that the wireless connection to the AP will support Select another rate to have the...

Страница 37: ...ter the WEP key that the AP is using Use the Power End key to clear the default text and remove typos Press the OK key when you are done WEP key 1 Ok Aa1 Clear 6 You can configure up to four WEP keys...

Страница 38: ...1 Information Select Back 2 Use the up or down arrow and the Left key to select Auth Type 1 Site Survey 2 SSID Select Back 3 Select Shared Key if the wireless clients need to send the WEP key to the...

Страница 39: ...Remove to delete a profile 2 Activate 3 Remove Select Back 4 When creating a profile select a number for the profile and press the Left key The profile uses the name of the AP that you are using When...

Страница 40: ...P 2000W_V2 User s Guide 40 Chapter 3 Wireless LAN Setup Menus...

Страница 41: ...If you were not given an IP address and subnet mask go to Section 4 2 on page 42 4 1 Fixed IP With this option you have to manually enter an IP address subnet mask and gateway IP address These are gi...

Страница 42: ...lear 6 Select Subnet Mask 4 Gateway 1 Network Mode Select Back 7 Clear the subnet mask and enter your s The subnet mask specifies the network number portion of an IP address Type the subnet mask given...

Страница 43: ...irst menu screen use the up or down arrow to highlight it and then press the Left key 5 SIP Settings 6 Settings Select Back 2 Select Network Mode 2 IP Address 3 Subnet Mask Select Back 3 Select PPPoE...

Страница 44: ...P 2000W_V2 User s Guide 44 Chapter 4 Network Settings 6 Select PPPoE Pwd 1 Network Mode 2 PPPoE Name Select Back 7 Clear the PPPoE password and enter your s PPPoE Pwd Ok Aa1 Clear 3 PPPoE Pwd...

Страница 45: ...s SIP registrar server Note If you have no registrar server information use the SIP server IP address and port number 1 Select SIP Settings in the first menu screen 6 Settings 7 Wireless Select Back 2...

Страница 46: ...e the default port number if you were not given one to use Port 5060 Ok Aa1 Clear 7 Select Expiry Time if you were given a specific expiration time period to use Otherwise leave it set to the default...

Страница 47: ...ect Back 6 Clear the port and enter the SIP outbound proxy server s listening port number Leave the default port number if you were not given one to use Port 5060 Ok Aa1 Clear 2 Port 1 Select SIP Sett...

Страница 48: ...ort and enter the SIP server s listening port number Leave the default port number if you were not given one to use Port 5060 Ok Aa1 Clear 2 Port 1 Select SIP Settings in the first menu screen 6 Setti...

Страница 49: ...e user name and enter yours exactly as it was given to you Username username Ok Aa1 Clear 7 Select User Pwd 1 Phone Number 2 Username Select Back 8 Clear the password and enter yours exactly as it was...

Страница 50: ...P 2000W_V2 User s Guide 50 Chapter 5 SIP Settings...

Страница 51: ...a call without first going through the SIP proxy server This is called an IP to IP or peer to peer call You need to enter the IP address of the callee or another SIP proxy server 6 2 Adding a Phonebo...

Страница 52: ...rver s or the callee s IP address or domain name Leave this blank if you will use the SIP proxy server to call this number Host IP Ok Aa1 Clear 6 Enter the callee s listening port number Leave this bl...

Страница 53: ...t menu 4 Net Settings 5 SIP Settings Select Back 2 Select Erase 1 Search 2 Add Entry Select Back 3 Select One by One to delete individual phonebook entries Select Erase All to delete every phonebook e...

Страница 54: ...conds to dial the entry 1 Select Phonebook in the first menu 4 Net Settings 5 SIP Settings Select Back 2 Select Search 2 Add Entry 3 Erase Select Back 3 Select an entry Note An empty mailbox icon disp...

Страница 55: ...ct Missed 2 Received 3 Dialed Select Back 3 Select an entry Note An empty mailbox icon displays if there are no entries in the phonebook 5678 2222 Select Back 4 Select Edit Missed to save the number S...

Страница 56: ...ote An empty mailbox icon displays if there are no entries in the phonebook 5678 2222 Select Back 4 Select Edit Received to save the number Select Erase Received to delete the number Are you sure disp...

Страница 57: ...History in the first menu 3 Phonebook 4 Net Settings Select Back 2 Select Dialed 4 Erase Calls 1 Missed Select Back 3 Select an entry Note An empty mailbox icon displays if there are no entries in th...

Страница 58: ...to remove all entries from the call history Select Missed to remove the missed call entries Select Received to remove the received call entries Select Dialed to remove the dialed call entries 2 Misse...

Страница 59: ...r settings 8 1 Setting the Ring Melody Follow these directions to change the Prestige s ring melody 1 Select Settings in the first menu screen 7 Wireless 8 Restart Select Back 2 Select Melody 2 Vibrat...

Страница 60: ...Back 3 Select Ring Only to have the Prestige not vibrate for incoming calls Select Vibrate Only to have the Prestige only vibrate and not ring for incoming calls Select Vibrate Ring to have the Prest...

Страница 61: ...ck 3 Use the left arrow to move the cursor in front of the number you want to edit and use the keypad to change the number 4 Press the Left key to save your setting Edit Time 16 47 Ok Back 6 Settings...

Страница 62: ...directions to enable or disable the key lock function 1 Select Settings in the first menu screen 7 Wireless 8 Restart Select Back 2 Select Banner 7 Key Lock 8 Don t Disturb Select Back 3 Enter the tex...

Страница 63: ...ignal when you enable the don t disturb function Follow these directions to enable or disable the don t disturb function 1 Select Settings in the first menu screen 7 Wireless 8 Restart Select Back 2 S...

Страница 64: ...P 2000W_V2 User s Guide 64 Chapter 8 Miscellaneous Settings...

Страница 65: ...hone Number 2 IP Address 3 MAC Address Select Back 3 The screen displays the Prestige s current SIP phone number 4 Press the Right key to return to the main information menu Phone Number 100 OK Back 5...

Страница 66: ...tige s MAC address 10 Press the Right key to return to the main information menu MAC Address 00a0c5b76249 OK Back 11 Select Firmware Ver 1 Phone Number 2 IP Address Select Back 12 The screen displays...

Страница 67: ...ll 10 2 Using the Phonebook to Dial a Telephone Number Use the following instructions to use one of the Prestige s existing phonebook entries to make a call 1 Press the Right key to enter the Prestige...

Страница 68: ...all 10 6 Rejecting a Call Press the Off key to reject a call 10 7 Changing the Volume Press the volume buttons to increase or decrease the volume during a call Use the web configurator s administrator...

Страница 69: ...or The first is the user account that lets you configure the Prestige s basic settings The second is an administrator s account that allows you to alter the way the Prestige makes and receives calls f...

Страница 70: ...ss the first time you login Figure 9 Login Screen Note It is strongly advised that you change the passwords for both the user and administrator accounts the first time you login 11 3 Navigating the Pr...

Страница 71: ...e your Internet access settings SIP Use this screen to configure your Prestige s Session Initiation Protocol settings NAT TRVSL Use this screen to configure your Prestige s NAT traversal settings PHON...

Страница 72: ...P 2000W_V2 User s Guide 72 Chapter 11 Using the Web Configurator Screens...

Страница 73: ...ternet for instance only between your two branch offices you can assign any IP addresses to the hosts without problems However the Internet Assigned Numbers Authority IANA has reserved the following t...

Страница 74: ...sk If the ISP did not explicitly give you an IP network number then most likely you have a single user account and the ISP will assign you a dynamic IP address when the connection is established The I...

Страница 75: ...it The Prestige can get the DNS server addresses in the following ways 1 The ISP tells you the DNS server addresses usually in the form of an information sheet when you sign up If your ISP gives you D...

Страница 76: ...ifies the network number portion of an IP address Type the subnet mask given to you by your network administrator See the appendix for information on subnetting Default Gateway Type the gateway IP add...

Страница 77: ...address of the device to which your Prestige is to connect MAC Address Every Ethernet device has a unique MAC Media Access Control address The MAC address is assigned at the factory and consists of s...

Страница 78: ...figuration Table 9 PPPoE LABEL DESCRIPTION Get IP Address Network Mode Click STATIC to manually enter a fixed IP address Click DHCP to have the Prestige automatically obtain network settings at startu...

Страница 79: ...IP Identities A SIP account uses an identity sometimes referred to as a SIP address A complete SIP identity is called a SIP URI Uniform Resource Identifier A SIP account s URI identifies the SIP accou...

Страница 80: ...fter talking A hangs up and sends a BYE request 7 B replies with an OK response confirming receipt of the BYE request and the call is terminated 12 9 1 3 SIP Client Server SIP is a client server proto...

Страница 81: ...Server A SIP redirect server accepts SIP requests translates the destination address to an IP address and sends the translated IP address back to the device that sent the request Then the client devic...

Страница 82: ...register server checks your user name and password when you register 12 9 1 4 RTP When you make a VoIP call using SIP the RTP Real time Transport Protocol is used to handle voice data transfer See RF...

Страница 83: ...t 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...

Страница 84: ...T figures in this chapter use lower case letters like a b c d for example to represent public IP addresses Figure 20 NAT Outgoing When the NAT router receives packets with destination address IP addre...

Страница 85: ...sent to IP address 2 and port B and sends them to IP address 1 port A Table 12 NAT Types FULL CONE RESTRICTED CONE PORT RESTRICTED CONE SYMMETRIC Incoming Packets Any external host can send packets t...

Страница 86: ...NAT router handles packets coming in from the external network A host on the external network IP address 3 or IP address 4 for example can only send packets to the internal host if the internal host...

Страница 87: ...2 B and the NAT router will perform NAT on them and send them to the Prestige at IP address 1 port A Packets have not been sent from 1 A to 4 E or 5 so they cannot send packets to 1 A Figure 24 Port...

Страница 88: ...tion Layer Gateway the fake WAN address on SIP and RTP STUN or outbound proxy features allow the Prestige to use its public IP address in the SIP messages 12 12 1 SIP ALG Some NAT routers may include...

Страница 89: ...er used on the Prestige s SIP packets and sends them to the Prestige 3 The Prestige uses the public IP address and port number in the SIP packets that it sends to the SIP server Figure 26 STUN 12 12 4...

Страница 90: ...rom retranslating the IP address since this is already handled by the outbound proxy server Select STUN if there is a NAT router between the Prestige and the VoIP service provider s SIP server and you...

Страница 91: ...ield You can use up to 127 ASCII characters Enter the STUN server s listening port for STUN requests in the second field Leave this field set to the default if your VoIP service provider did not give...

Страница 92: ...s to this party use your SIP account Select P2P if calls to this party use a different SIP server or go directly to the callee s VoIP phone peer to peer Add Click this button to add a new entry into t...

Страница 93: ...access points must use the same WEP key You need to configure four 64 bit or 128 bit WEP keys but only one key can be enabled at any one time In order to configure and enable WEP encryption click Wire...

Страница 94: ...sed by IEEE 802 11b wireless devices Channels available depend on the AP to which you connect The channel is determined automatically using the site survey feature Rate The closer you are to an AP the...

Страница 95: ...Internet and SIP settings changes do not take affect until you use RESTART in the navigation panel CANCEL Click CANCEL to begin configuring this screen afresh Table 15 Wireless Setting continued LABE...

Страница 96: ...in this field or click Browse to find it Note Remember that you must decompress compressed zip files before you can upload them Update Firmware by Web Server Type the location of a firmware file on a...

Страница 97: ...tor account Only edit these settings if you understand the technology involved Note See Chapter 12 on page 73 for information on the fields that can be configured through the user account 13 1 NAT Tra...

Страница 98: ...Configuration LABEL DESCRIPTION Outbound Proxy Outbound Proxy Server Address Type in the URL or IP address of your main outbound proxy server This field is the destination address where your Prestige...

Страница 99: ...19 SIP Configuration LABEL DESCRIPTION SIP Proxy SIP URI Type the SIP telephone number assigned to your Prestige by your VoIP service provider SIP Server Address Type the IP address or domain name of...

Страница 100: ...figured time period has expired OPTIONS Interval Timer The OPTIONS Interval Timer periodically sends a signal to the SIP proxy server to maintain the connection Type a time in minutes to send a KeepAl...

Страница 101: ...N Call Setup Signaling PSTNs Public Switched Telephone Network s use DTMF or pulse dialing to set up telephone calls Dual Tone MultiFrequency DTMF signaling uses pairs of frequencies one lower frequen...

Страница 102: ...field set to the defaults if you were not given a RTP port to use Jitter Buffer A larger receiving buffer allows the Prestige to rearrange data packets that arrive in the wrong order Packets are dropp...

Страница 103: ...ssified by setting the TOS Type Of Service values at the data source for example at the Prestige so a server can decide the best method of delivery i e least cost fastest route etc Table 21 System LAB...

Страница 104: ...mpliant network devices along the route based on the application types and traffic flow Packets are marked with DiffServ Code Points DSCPs indicating the level of service desired This allows the inter...

Страница 105: ...p of Your Prestige PROBLEM CORRECTIVE ACTION The Prestige does not turn on Make sure you have the battery installed and charged Remove the Prestige s battery and reinstall it If the error persists you...

Страница 106: ...user names and passwords For user level access the default user name is admin and the default pass word is 1234 For administrator access the default user name is zyxeladmin and the default password is...

Страница 107: ...E ACTION Battery Low is blinking The battery s power is low Recharge the battery No AP Found is blinking The SSID set on the Prestige does not match any of the Service Set Identifiers SSIDs of the APs...

Страница 108: ...P 2000W_V2 User s Guide 108 Chapter 14 Troubleshooting...

Страница 109: ...1234 Dimensions 40 W x 128 L x 0 8 H mm LCD Module 112x64 Graphic Mode LCD Backlight 4 blue LED Keypad 12 number key 8 function key Keypad Light Blue LED Antenna 2 4GHz dipole Gain 1 3 dBi Receiver Sp...

Страница 110: ...rotocol RFC 3261 version 2 SDP Session Description Protocol RFC2327 RTP RFP1889 RTCP RFC1890 G711 G 729a b codecs G 729a recommended G 168 echo cancellation Silence Suppression Voice Activity Detectio...

Страница 111: ...ss the first two octets make up the network number and the two remaining octets make up the host ID Class C addresses begin starting from the left with 1 1 0 In a class C address the first three octet...

Страница 112: ...host ID Subnet masks are expressed in dotted decimal notation just as IP addresses are The natural masks for class A B and C IP addresses are as follows Subnetting With subnetting the class arrangemen...

Страница 113: ...ss 192 168 1 0 with subnet mask of 255 255 255 0 The first three octets of the address make up the network number class C You want to have two separate networks Divide the network 192 168 1 0 into two...

Страница 114: ...5 255 255 128 is the directed broadcast address for the first subnet Therefore the lowest IP address that can be assigned to an actual host for the first subnet is 192 168 1 1 and the highest is 192 1...

Страница 115: ...0 IP Address Binary 11000000 10101000 00000001 00000000 Subnet Mask Binary 11111111 11111111 11111111 11000000 Subnet Address 192 168 1 0 Lowest Host ID 192 168 1 1 Broadcast Address 192 168 1 63 High...

Страница 116: ...11111111 11111111 11000000 Subnet Address 192 168 1 192 Lowest Host ID 192 168 1 193 Broadcast Address 192 168 1 255 Highest Host ID 192 168 1 254 Table 41 Eight Subnets SUBNET SUBNET ADDRESS FIRST AD...

Страница 117: ...subnetting The following table is a summary for class B subnet planning Table 43 Class B Subnet Planning NO BORROWED HOST BITS SUBNET MASK NO SUBNETS NO HOSTS PER SUBNET 1 255 255 128 0 17 2 32766 2 2...

Страница 118: ...P 2000W_V2 User s Guide 118 Appendix B IP Subnetting...

Страница 119: ...a manner similar to dial up services using PPP Benefits of PPPoE PPPoE offers the following benefits It provides you with a familiar dial up networking DUN user interface It lessens the burden on the...

Страница 120: ...Concentrator and tunnels the PPP frames to the ISP The L2TP tunnel is capable of carrying multiple PPP sessions With PPPoE the VC Virtual Circuit is equivalent to the dial up connection and is between...

Страница 121: ...k or Independent Basic Service Set IBSS The following diagram shows an example of notebook computers using wireless adapters to form an Ad hoc wireless LAN Figure 40 Peer to Peer Communication in an A...

Страница 122: ...ed connection between APs is called a Distribution System DS This type of wireless LAN topology is called an Infrastructure WLAN The Access Points not only provide communication with the wired network...

Страница 123: ...an adjacent AP is using For example if your region has 11 channels and an adjacent AP is using channel 1 then you need to select a channel between 6 or 11 Roaming A wireless station is a device with a...

Страница 124: ...rage areas The wireless station may not be able to communicate with other wireless stations on the network and vice versa Figure 43 Roaming Example The steps below describe the roaming process 1 As wi...

Страница 125: ...have the user profile for the wireless station 3 The adjacent access points should use different radio channels when their coverage areas overlap 4 All access points must use the same port number to...

Страница 126: ...P 2000W_V2 User s Guide 126 Appendix D Wireless LANs...

Страница 127: ...23 Interference 123 Charge 7 Circuit 4 Circuit switched Telephone Networks 79 Class B 4 Clicks 101 Client Server SIP 80 Client server Protocol 80 Codec 100 102 Codecs 24 Coder Decoder 100 102 Comfort...

Страница 128: ...France Contact Information 8 Frequency Pairs 101 Full Cone NAT 85 Functionally Equivalent 7 G G 711 24 100 102 G 729 24 101 102 Germany Contact Information 8 God Acts of 7 H Harmful Interference 4 Hi...

Страница 129: ...ng 3 Point to Point Protocol over Ethernet 24 Pool 6 Port 83 Port Restricted Cone NAT 87 Postage Prepaid 7 Power Adaptor 6 Power Cord 6 Power Outlet 6 Power Supply 6 Power Supply repair 6 PPPoE 43 78...

Страница 130: ...7 Service Personnel 6 Service Set 34 94 Session Expires 100 Session Initiation Protocol 79 Shipping 7 Shock Electric 6 Silence Suppression 24 SIP Account 79 SIP ACK Message 80 SIP ALG 88 SIP Applicati...

Страница 131: ...24 Voice Coding 24 100 Voice Mail 79 Voice over IP 79 VoIP 79 Voltage Supply 6 Voltage High 6 W WAN Setup 74 Warnings 6 Warranty 7 Warranty Information 8 Warranty Period 7 Water 6 Waveform Codec 100...

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