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ITG User’s Guide

interface port, there is a 9-pin RS-232 interface port on the rear panel. Their functions are
described below:

Port

Label

Function

RJ45

LAN

Connecting the ITG to a 10/100 Mbps Ethernet network

9-pin RS-232 User

Console

Connecting the ITG to a VT-100 terminal or terminal
emulator for configuring the ITG

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Overview

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Summary of Contents for VoIP 400 Series

Page 1: ...VoIP 400 Series VoIP Gateway Router User s Guide ...

Page 2: ...io communication Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at the user s own expense CE Declaration of conformity This equipment complies with the requirements relating to electromagnetic compatibility EN 55022 Class A for ITE and EN 50082 1 This meets the essential protection requir...

Page 3: ... on your network Chapter 3 ITG Concepts This chapter gives information about the ITG technology and describes basic concepts using ITG for providing telephony services over IP network Chapter 4 Configuring ITG from Web Browser This chapter explains procedures for configuring the ITG from a web browser Chapter 5 Making a Call with ITG This chapter explains how to make Internet calls from telephony ...

Page 4: ... fire electric shock or equipment damage Keep the ITG away from all chemicals and sources of liquids CAUTION Always disconnect all telephone lines from the wall outlet before servicing or disassembling this equipment CAUTION Do not connected the TNV 2 connectors P1 P2 to wall TNV outlet CAUTION To reduce the risk of fire use only No 26 AWG or larger telecommunication line cord Warning Connection o...

Page 5: ... for multimedia transmission over IP networks ICMP Internet Control Message Protocol IMTC International Multimedia Telecommunications Consortium IP Internet Protocol ITG Internet Telephony Gateway KTS Key Telephone System LAN Local Area Network NVS Non Volatile Storage LED Light Emitting Diode PBX Private Branch Exchange PSTN Public Switched Telephone Network RTP Real Time Transport TCID Telephony...

Page 6: ...at the ITG CLI displays are in plain courier font Elements in square brackets are optional x y z Alternative but required elements are grouped in braces and separated by vertical bars x y z Optional alternative keywords are grouped in brackets and separated by vertical bars string A non quoted set of characters Do not use quotation marks around the string or the string will include the quotation m...

Page 7: ...TG 13 2 3 Connecting to the telephony devices 13 2 4 Connecting to the Network 13 2 5 Providing Power to the ITG 13 2 6 Assigning IP address to the ITG 14 Chapter 3 ITG Concepts 15 3 1 How the ITG Operates 15 3 2 ATPM 15 3 3 Destination 15 3 4 Hunt Group 15 3 5 Dial Plan FXO2S2 16 Address Table 16 Hunt Group Table 16 Destination Table 17 3 6 DTMF Relay 17 3 7 Voice Codecs 17 Chapter 4 Configuring ...

Page 8: ...th ITG Application Sample 45 Chapter 6 Application Samples 49 6 1 Module Configuration 49 Chapter 7 Troubleshooting Tips 52 Appendix A Worksheets 54 A 1 IP Parameters 54 A 2 ATPM Address Table 54 A 3 ATPM Hunt Group Table 55 A 4 ATPM Destination Table 56 List of Figures Figure 1 1 2 ports ITG Front Panel 10 Figure 1 1 2 ports ITG Rear Panel 11 8 Overview ...

Page 9: ...nd or telephone The ITG utilizes advanced VoIP related technology It includes various voice coders and fax algorithms echo cancellation Voice Activity Detection VAD Comfort Noise Generation CNG and lost packet recovery algorithms 1 2 Networking Protocols The ITG supports several industry standard networking protocols required for voice communication The following table describes these protocols Ne...

Page 10: ...wers on it switches the state of COL LNK 100 and ACT LED indicators in red color per 200 ms in a manner shown in the following table ACT 100 LNK COL Boot loader State solid on solid on solid on solid on Execution start blink off off solid on Memory test blink blink off solid on Loading application code blink blink blink solid on Loading TFTP loader code blink blink blink blink Failed loading appli...

Page 11: ...STEM LED stops blinking then release the button Powering on the gateway while pressing down the button for 5 seconds forces the ITG to enter download mode 1 5 Rear Panel The rear panel of the ITG has two FXS ports for 2 ports ITG and four ports with two FXO and two FXS ports for 4 ports ITG Depending on the type of the telephony interface The telephony interface ports may be connected to telephony...

Page 12: ...e port on the rear panel Their functions are described below Port Label Function RJ45 LAN Connecting the ITG to a 10 100 Mbps Ethernet network 9 pin RS 232 User Console Connecting the ITG to a VT 100 terminal or terminal emulator for configuring the ITG 12 Overview ...

Page 13: ...ne is FXO and the other is FXS 2 ports ITG supports FXS only and 4 ports ITG supports 2 FXO and 2 FXS Each port has RJ11 ports for connecting to telephony devices The FXO module is designed for connecting to PBXs or central office switches The FXS module is designed for connecting to analog telephone sets or G3 fax machines Connecting the telephony devices to the appropriate RJ11 ports on the TIM ...

Page 14: ...k An IP address is a 32 bit number expressed as four decimal numbers from 0 to 255 separated by periods The ITG needs static IP address and be aware of the subnet mask and default gateway typically a router of your network to be able to send to and receive data from the IP network Consult your network manager to obtain a unique and static IP address for the ITG the IP subnet mask and default gatew...

Page 15: ...e calling This mapping information is contained in a database inside each ITG called the dial plan Based on the dial plan the Address Translation and Parsing Manager ATPM inside the ITG translate telephony numbers to IP addresses of remote ITGs The ATPM collects telephone number dialed by users decides whether the dial string is part of the dial plan and if it is maps it a remote ITG When the call...

Page 16: ...nd one member in each hunt group 3 5 Dial Plan FXO2S2 The dial plan is a database inside the ITG for the ATPM to map telephony numbers users dialed to the IP address of remote ITGs The dial plan consists of the destination table hunt group table and the address table Users need to setup these tables so that the ITG knows how to setup calls with remote ITGs Address Table The address table maps a ph...

Page 17: ... voice coders can not perfectly encode DTMF tone the ITG encodes DTMF tone into special packets The packets are then sent to the destination ITG via a separate IP connection The destination ITG decodes the packets generates the DTMF tone and then sends the tone to the PSTN The way the ITG handles DTMF tone is so called DTMF relay The ITG handles DTMF relay per H 323 specifications Certain third pa...

Page 18: ...er to configure the ITG PC needs to have TCP IP protocol and a compatible IP Address 1 Connect the ITG to network with a RJ 45 UTP cable Power it on 2 Find a PC for example Windows 95 98 Under Windows 95 98 select the Network Neighborhood icon on the desktop then select Properties We will see a screen like below 3 If a line like the one highlighted TCP IP Network Card is not listed select Add Prot...

Page 19: ...ou should find the screen below 8 The User Name is eitg all lower case Password is 123 Both eitg and 123 are default strings from factory For security reasons please change and memorize the new password after this first setup 9 Click OK The main screen will appear as b elo w Main Menu Function Briefings 1 Dial Plan Settings which helps you configure the dial plan You should complete the dial plan ...

Page 20: ...red total dial time first digit wait time inter digit wait time and the termination digit 5 Clear All Entries which clears all telephone numbers hunt groups and destinations settings for both old and new ones 6 Restore All Entries which retrieves all dial plan settings from the flash temporary settings will be cleared 7 Store Settings To Flash which stores all settings that you have specified perm...

Page 21: ...table Max Digits Maximum number of digits to be collected before the ATPM starting matching the dialed string with entries in the address table Strip Length The number of digits to be stripped at the beginning of the collected dial string before forwarding the string to the destination Append Prefix Optional Digit to be added before the beginning of the collected dial string before forwarding it t...

Page 22: ...t Group Dest Setting Menu We are doing the ITG destination table management One is Remote Destination IP and the other is Local Destination Channel We can add delete find or list desired destination ID mapping to Remote Destination IP or Local Destination Channel at this menu Please back to Dial Plan Menu Please select Main Menu Dial Plan Common Parameter Settings 22 Configuring ITG from a Web Bro...

Page 23: ...erwards That is to restore all the settings from the Flash Memory you need only to click on the Restore All Entries on the left frame or to reboot the system the settings can be restored ONLY IF YOU DID NOT STORE the entries Please select Main Menu Dial Plan Restore All Dial Plan Settings Retrieve all dial plan settings from the flash memory All temporary settings will be cleared Please select Mai...

Page 24: ...le 5 Channel Settings which shows the configurations associated with a specific channel 6 DHCP Settings which shows the status of DHCP 7 PPPoE Settings which shows the status of PPPoE 8 Dynamic DNS Settings which shows the status of Dynamic DNS Please select Main Menu View System Config Firmware Version Info This will show current ITG firmware version information Firmware Information Internet Tele...

Page 25: ...323 dns_ip 0 h323 gk_mode off h323 h245_timeout 30000 h323 term_id h323 wan_refresh 120 h323 nat_name h323 wan _mode off h323 wan_port_gk 0 h323 wan_port_gw 0 h323 wan_max_retries 10 h323 wan_lost_timer 1 h323 wan_serv_ip 0 0 0 0 Please select Main Menu View System Config Coder Type Selected Voice Coder Selected is G 723 Please select Main Menu View System Config Coder Parameters Information Pleas...

Page 26: ...dress 2 H 323 Parameter Settings which allows one to set the H 323 parameters such as Fast Start Mode Gatekeeper Mode etc 3 Port Parameter Settings which allows one to set parameters associated with each port such as transmission receive gains comfort noise level etc 4 Voice Coder Selection which allows one to set the desired coder type such as G 711 G 723 or G 729A in a per line module base 5 DHC...

Page 27: ...ddress These values will be valid after ITG reboot Please select Main Menu Configure System Settings H 323 Parameter Settings There are H 323 General Parameter Settings H 323 GateKeeper Settings H 323 Aliases Settings Please select Main Menu Configure System Settings H 323 Parameter Settings H 323 General Parameter Settings Configuring ITG from a Web Browser 27 ...

Page 28: ...ld be one greater than the RTP port Typically numbers from 0 to 1023 are reserved on most systems 4 Outgoing Fast Start The default setting is off This field is to enable or disable the Fast start mode on the outgoing side of the link 5 Incoming Fast Start The default setting is off This field is to enable or disable the Fast start mode on the incoming side of the link You ll have to reboot the sy...

Page 29: ...low calls when the endpoint is not registered with a gatekeeper 4 Registration Type This field is to set the endpoint registration type This specifies how the endpoint will register itself with the gatekeeper 5 Max Registration Retries This field is to control how many registration attempts will be made before the endpoint considers itself to have failed registration 6 Time To Live 7 Endpoint Pref...

Page 30: ...ort 0 801 Port 1 551 Port 0 LAN Console 550 201 800 Scenario description There are two gateways connected by a Hub Gateway A 4 ports ITG is configured as following 1 Gateway A ID 10 IP 192 168 0 20 mask IP 255 255 255 0 gateway IP 0 0 0 0 virtual IP 2 Port 0 of FXO is connected to PBX There are two telephone sets connected by PBX their phone numbers are 800 and 801 3 Port 2 of FXS has a telephone ...

Page 31: ...e select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add telephone from Main Menu 2 Push Complete button And screen will show Telephone Number Added 8 OK table Telephone numbers 800 801 are added in gateway dial plan 3 Purpose add telephone to hunt group mapping table of phone number 8 into dial plan Back To Dial Plan Menu 1 Please select Main Menu ...

Page 32: ... Menu 2 Push Complete button And screen will show Add Destination ID Result table The Destination ID 1 is bound to local channel 0 3 Purpose add destination ID to Local channel number ID mapping table of phone number 8 into dial plan Channel Number can have values from 0 to number of ports 1 Back To Dial Plan Menu Gateway A s telephone number 201 setting 201 locates at Port 2 of FXS 1 Please selec...

Page 33: ...l Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Hunt Group from Main Menu 2 Push Complete button And screen will show List All Hunt Group IDs Result table 3 Purpose add hunt group to destination ID mapping table of phone number 201 into dial plan Back To Dial Plan Menu 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Des...

Page 34: ...Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Telephone from Main Menu 2 Push Complete button And screen will show Telephone Number Added 301 OK table Telephone number 301 is added in gateway dial plan 3 Purpose add telephone address to hunt group mapping table of phone number 301 into dial plan Back To Dial Plan Menu 1 Please select Main Menu Dia...

Page 35: ...u 2 Push Complete button And screen will show Add Destination ID Result table The Destination ID 4 is bound to local channel 3 3 Purpose add destination ID to destination IP mapping table of phone number 301 into dial plan Local gateway remote gateway IP remote telephone number setup Gateway A s remote gateway IP remote telephone number 550 551 setting Back To Dial Plan Menu Remote Gateway ID numb...

Page 36: ...is stored in gateway dial plan 4 Purpose add telephone address to hunt group mapping table of the number 20 into dial plan Back To Dial Plan Menu 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Hunt Group from Main Menu 2 Push Complete button And screen will show List All Hunt Group IDs Result table 3 Purpose add hunt group to destin...

Page 37: ...ion Settings Phone Hunt Group Dest Setting Menu List Hunt Group from Main Menu we can list the above hunt group setting Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu from Main Menu and select List Remote_Destination_IP or Local_Destination_Channel we can list the above destination ID setting Please select Main Menu Dial Plan Store Settin...

Page 38: ... Telephone from Main Menu 2 Push Complete button And screen will show Telephone Number Added 550 OK table Telephone number 550 is stored in gateway dial plan 3 Purpose add telephone address to hunt group mapping table of phone number 550 into dial plan Back To Dial Plan Menu 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Hunt Group ...

Page 39: ... Result table The Destination ID 1 is bound to local channel 0 3 Purpose add Local channel number to destination IP mapping table of phone number 550 into dial plan Gateway B s telephone number 551 setting 551 locates at Port 1 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Telephone from Main Menu 2 Push Complete button And screen ...

Page 40: ...ion ID mapping table of phone number 551 into dial plan Back To Dial Plan Menu 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Local_Destination_Channel from Main Menu 2 Push Complete button And screen will show Add Destination ID Result table The Destination ID 2 is bound to local channel 1 3 Purpose add Local channel number to dest...

Page 41: ...unt group number is beginning at number 11 at this dial plan setting 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Telephone from Main Menu 2 Key in 10 firstly and related information in each field 3 Push Complete button And screen will show Telephone Number Added 10 OK table GW ID number 10 is stored in gateway dial plan 4 Purpose...

Page 42: ...n Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu Add Remote_Destination_IP from Main Menu 2 Push Complete button And screen will show Add Destination ID Result The Destination ID 11 is bound to IP address 192 168 0 20 for H 323 VoIP application 3 Purpose add destination ID to destination IP mapping table of number 10 into dial plan Back To Dial Plan Menu Please select Mai...

Page 43: ...tination Settings Phone Hunt Group Dest Setting Menu from Main Menu and select List Remote_Destination_IP or Local_Destination_Channel we can list the above destination ID setting Please select Main Menu Dial Plan Store Settings To Flash The above setting will be stored to flash memory We have finished gateway B VoIP call application setting We can enjoy VoIP call between gateway A and gateway B a...

Page 44: ...up the telephone set the second LED will be lighted at the green color 3 We can dial the desired destination phone number at the telephone set If the desired destination phone number is legal the ITG will play two quick address ack tones Du Du to destination If the desired destination phone number is illegal the ITG will play three out of service tones please check the dial plan and your desired d...

Page 45: ...Number 03 87654321 0 Hub FXS GW B 20 FXS Port 3 301 Port 2 C Port 0 899 801 PBX Port 1 551 Port 0 LAN Console 550 201 800 Scenario description There are two gateways connected by a Hub Gateway A 4 ports ITG is configured as following 2 Gateway A IP 192 168 0 20 mask IP 255 255 255 0 gateway IP 0 0 0 0 virtual IP 3 GW A ID 10 4 Port 0 of FXO is connected to PBX There are two telephone sets connecte...

Page 46: ...Digits Max Digits Prefix strip Prefix Address 201 3 3 3 3 None 301 4 3 3 3 None 8 1 3 3 0 None 0 1 1 1 0 None 20 11 5 5 2 None Gateway A hunt group table Group id Type Members Member ids 1 2 1 1 3 2 1 3 4 2 1 4 11 2 1 11 Gateway A destination table Dest id Mode Destination 1 Local PORT 0 3 Local PORT 2 4 Local PORT 3 11 H 323 Dest 192 168 0 55 1720 TCP ITGB address translation table Address Entry ...

Page 47: ...ashing at GW A Phone 201 is ringing Pick up phone 201 Enjoy VoIP Enjoy VoIP The above process is the same as Gateway B phone 550 calls to Gateway A phone 301 800 and 801 Case 2 Gateway Phone to PSTN Phone Gateway B phone 550 calls to phone A number 03 12345678 Human operation at GW B Caller side Equipment operation Human operation at Phone A Receiver Side Pick up phone 550 1 ITG dial tone is heard...

Page 48: ...de Equipment operation Human operation at Gateway B phone 551 Receiver Side Pick up phone A 1 PSTN dial tone is heard Dial 87654321 1 Communication is going 2 PBX plays voice greeting Dial 899 1 The first LED is on at GWA 2 ITG dial tone is heard Dial 20551 1 Du Du is heard 2 VoIP Communication is working Ring back tone is heard 1 The second LED is on at GWB Phone 551 is ringing Pick up phone 551 ...

Page 49: ... station loop start operation that provides a connection to 1 a standard single line analog telephone system 2 the line circuit of a key telephone system 3 a loop start trunk circuit of a Private Branch Exchange PBX that normally connects to incoming Central Office circuits FXO Foreign Exchange Office FXO recognizes signals and draws current to indicate an active state It is a trunk loop start ope...

Page 50: ...the A 1 connection The other connection A 2 on the right hand side is used to connect the gateway and PBX that has the CO trunk interface FXS is also used in this connection The telephone sets connected to PBX can be either POTS or digital telephone depending upon the PBX capability Connection A 1 Fax FXS FXS IP Connection A 2 PBX Telephone Telepho Telepho Telepho Telephone 50 Command Line Interfa...

Page 51: ...ded to provide an analog interface to the FXO module In this application The caller in the B 2 connection can use the Gateway through its FXS module to communicate with the party on the other end in the B 3 connection The phone call is forwarded through the FXS module in the B 2 Gateway and is received by the FXO module in the B 3 gateway which is connected to the PBX which will then switch to the...

Page 52: ... 1 Check the ITG was connected correctly a Powered on b Correctly connected 2 Check if the cable connects to an end device is a standard straight through network Ethernet cable 3 Make sure connectors at both ends are securely seated 4 Check the ITG IP setting is correct Line module port LED is not illuminate when pick up the phone 1 Check the RJ11 telephone line is connected correctly between phon...

Page 53: ...ITG and phone is available Final Steps If the procedures in this section have not solved the problem reset the gateway several times by turning the power on and off If the problem still exists contact customer support Command Line Interface 53 ...

Page 54: ...orksheets A 1 IP Parameters IP address IP subnet mask Default gateway A 2 ATPM Address Table Digits to Match Min of Digits to Collect Max of Digits to Collect Hunt Group No of Digits to Strip Prefix String 54 Command Line Interface ...

Page 55: ...ITG User s Guide A 3 ATPM Hunt Group Table Hunt Type Hunt Group ID 1 2 List of Destination IDs Command Line Interface 55 ...

Page 56: ... Guide A 4 ATPM Destination Table Local Destinations Port Mode Destination ID 0 port 1 port 2 port 3 port Remote Destinations Destination ID Mode H323 or DNS IP port optional IP address 56 Command Line Interface ...

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