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ITG User’s Guide

How to Use This Manual

This manual was designed for the technical and non-technical users of the Internet telephony
gateway (ITG). It contains information about the functions of the ITG and instructions for
its installation, basic configuration and operation in Part I, and Part II introduces more
advanced command line interface, firmware upgrade and appendix information. Read this
section carefully for important information about the manual’s organization.

Part I

Chapter 1: Overview

This chapter provides conceptual overview and description of the ITG, explanation of how
the ITG interacts with each for enabling VoIP services, and an overview of the required tasks

Chapter 2: Installing the ITG

This chapter describes required steps to properly and safely install and configure the ITG 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 devices connected to the
ITG directly or indirectly.

Chapter 6: Application Samples

This chapter provides some application examples and information on how to configure the
ITG under these samples.

Chapter 7: Troubleshooting Tips

This chapter provides troubleshooting information in case the user has problems installing or
maintaining the ITG.

Part II

Chapter 8: Command Line Interface

This chapter describes how to access the command line interface. It also contains
information about the commands used to configure the ITG.

Chapter 9: Upgrading the ITG

This chapter explains how to download new revision software and upgrade the ITG.

Preface

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Содержание 2 & 4 Port VoIP Gateway

Страница 1: ...2 4 Port VoIP Gateway User s Manual...

Страница 2: ...o 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...

Страница 3: ...ter 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 Br...

Страница 4: ...B CLI Commands This appendix provides a short description of each CLI command with a reference to the pages that contain detailed information on the command Appendix C Factory Default Settings This a...

Страница 5: ...documentation Never push any object through the fan vent or other openings in the equipment Such action may produce a short circuit causing fire electric shock or equipment damage Keep the ITG away fr...

Страница 6: ...for multimedia transmission over IP networks ICMP Internet Control Message Protocol IMTC International Multimedia Telecommunications Consortium IP Internet Protocol ITG Internet Telephony Gateway KTS...

Страница 7: ...pply values are in italics courier Messages that 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 a...

Страница 8: ...ing the ITG 5 2 3 Connecting to the telephony devices 5 2 4 Connecting to the Network 5 2 5 Providing Power to the ITG 5 2 6 Assigning IP address to the ITG 6 Chapter 3 ITG Concepts 7 3 1 How the ITG...

Страница 9: ...onnection through Telnet 55 8 3 Command Help 56 8 4 Designating IP Address 56 8 5 Designating Port Number 56 8 6 Command Reference 56 8 7 Utility Commands 57 clrscr 57 download 58 help 58 ping 58 8 8...

Страница 10: ..._fast_start on off 67 set h323 rtp_port_base port_base 67 8 10 Dial Plan Management Commands 67 Database Update Control Commands 69 Destination Table Management Commands 71 Hunt Group Table Management...

Страница 11: ...A 5 LAN Port 88 A 6 FXO Port Pin Assignments 89 A 7 FXS Port Pin Assignments 89 Appendix B CLI Commands 91 B 1 Normal Mode Commands 91 B 2 Download Mode Commands 92 Appendix C Factory Default Settings...

Страница 12: ...ITG User s Guide List of Figures Figure 1 1 ITG Front Panel 2 Figure 1 2 ITG Rear Panel Preface xii...

Страница 13: ...PBX KTS and 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 C...

Страница 14: ...ITG Front Panel LED Indicators When the ITG powers 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...

Страница 15: ...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 FX...

Страница 16: ...ITG User s Guide Overview 4...

Страница 17: ...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 t...

Страница 18: ...IP address is a 32 bit number expressed as four decimal numbers from 0 to 255 separated by periods The ITG needs a static IP address and be aware of the subnet mask and default gateway typically a ro...

Страница 19: ...ily dial a telephone or fax on the network the ITG maps a series of dialed digits to the IP address of the remote ITG whose phone or fax you are calling This mapping information is contained in a data...

Страница 20: ...e output is a hunt group ID number As a second step the hunt group ID is presented to ATPM to get the list of members To effectively bypass the hunt group feature simply make a unique hunt group for e...

Страница 21: ...o significant to be not cognizable in the receiving end To overcome the shortcoming that the voice coders can not perfectly encode DTMF tone the ITG encodes DTMF tone into special packets The packets...

Страница 22: ...ITG User s Guide ITG Concepts 10...

Страница 23: ...r 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...

Страница 24: ...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 passwo...

Страница 25: ...ed 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 n...

Страница 26: ...able 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 b...

Страница 27: ...D at this menu Please select Main Menu Dial Plan Phone Hunt Group Destination Settings we can find Phone Hunt Group Dest Setting Menu We are doing the ITG destination table management One is Remote De...

Страница 28: ...Destination Channel at this menu Please back to Dial Plan Menu Please select Main Menu Dial Plan Common Parameter Settings This Common Parameter Settings is the same as previous ATPM system parameters...

Страница 29: ...ies 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...

Страница 30: ...a specific channel Please select Main Menu View System Config Firmware Version Info This will show current ITG firmware version information FirmWare Informaton Internet Telephony Gateway Version 2 20...

Страница 31: ...se 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 Please select Main Menu View System Con...

Страница 32: ...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 Please select Main...

Страница 33: ...the H 323 specification RTP port number should be even in value and the RTCP port number should be one greater than the RTP port Typically numbers from 0 to 1023 are reserved on most systems 4 Outgoi...

Страница 34: ...onfigured to manual mode When auto mode is desired this field should be set to auto Allow Calls Without Gate Keeper This field is to inform the H 323 stack to allow calls when the endpoint is not regi...

Страница 35: ...ITG User s Guide Alias This field is to create or delete aliases that are registered with the gatekeeper Configuring ITG from a Web Browser 23...

Страница 36: ...t 3 LAN Console Port 1 550 551 PBX Port 2 FXS Hub FXS Scenario description There are two gateways connected by a Hub Gateway A 4 ports ITG is configured as following 1 Gateway A IP 192 168 0 20 mask I...

Страница 37: ...e Change button Local gateway local telephone number setup Gateway A s telephone number 800 setting 800 locates at Port 1 of FXO 1 Please select Main Menu Dial Plan Phone Hunt Group Destination Settin...

Страница 38: ...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 Purp...

Страница 39: ...ort 3 of FXS 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 will show Telep...

Страница 40: ...And screen will show Add Destination ID Result table The Destination ID 3 is bound to local channel 2 3 Purpose add destination ID to destination IP mapping table of phone number 201 into dial plan Ba...

Страница 41: ...on And screen will show List All Hunt Group IDs Result table 3 Purpose add hunt group to destination ID mapping table of phone number 301 into dial plan Back To Dial Plan Menu 1 Please select Main Men...

Страница 42: ...roup Destination Settings Phone Hunt Group Dest Setting Menu from Main Menu 2 Key in 550 firstly and push More Entries for The Same Hunt Group button and key in 551 3 Push Complete button And screen w...

Страница 43: ...ote_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 55 for H 323 VoIP application 3 Purpose a...

Страница 44: ...flash memory At this moment we have finished gateway A VoIP call application setting We are going to have the same process to setup gateway B Local gateway IP setup we are setting gateway B 1 Please s...

Страница 45: ...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...

Страница 46: ...lan 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 551 OK table Telephone numb...

Страница 47: ...unt 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...

Страница 48: ...button and key in 201 and push More Entries for The Same Hunt Group button and key in 800 and push More Entries for The Same Hunt Group button and key in 801 3 Push Complete button And screen will sho...

Страница 49: ...se select Main Menu Dial Plan Phone Hunt Group Destination Settings Phone Hunt Group Dest Setting Menu List Telephone from Main Menu we can list the above telephone number setting Please select Main M...

Страница 50: ...ITG User s Guide Configuring ITG from a Web Browser 38...

Страница 51: ...ITG User s Guide Configuring ITG from a Web Browser 39...

Страница 52: ......

Страница 53: ...k 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 IT...

Страница 54: ...one A Number 03 12345678 Port 1 GW B GW A 800 801 201 301 Port 4 Port 3 LAN Console Port 1 550 551 PBX Port 2 FXS Hub FXS Scenario description There are two gateways connected by a Hub Gateway A 4 por...

Страница 55: ...Address 201 3 3 3 0 None 301 4 3 3 0 None 8 1 3 3 0 None 899 1 3 3 0 None 0 1 1 1 0 None 03 1 0 10 2 0 5 11 3 3 0 None Gateway A hunt group table Group id Type Members Member ids 1 2 1 1 3 2 1 3 4 2 1...

Страница 56: ...Du Du is heard 2 VoIP communication is going Ring back tone is heard 1 The third LED is lighting at GW A Phone 201 is ringing Pick up phone 201 Enjoy VoIP Enjoy VoIP The above process is the same as...

Страница 57: ...Phone Phone A number 03 12345678 calls to Gateway B phone 551 Human operation at Phone A Caller side Equipment operation Human operation at Gateway B phone 551 Receiver Side Pick up phone A 1 PSTN dia...

Страница 58: ......

Страница 59: ...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 Bran...

Страница 60: ...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...

Страница 61: ...ed 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 th...

Страница 62: ...ITG User s Guide Troubleshooting Tips 50...

Страница 63: ...dapter or power cord LNK LED is not illuminate 1 Check the ITG was connected correctly a Powered on b Correctly connected 2 Check if the cable connect to an end device is a standard straight through n...

Страница 64: ...s connected correctly 2 Check the destination 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...

Страница 65: ...ITG User s Guide Part II Making a Call with ITG 53...

Страница 66: ...ITG User s Guide Troubleshooting Tips 54...

Страница 67: ...led User Console on the front panel 2 Insert the other end of the cable into your terminal s serial port 3 Configure the terminal so that settings for baud rate number of data bit parity check number...

Страница 68: ...r commands is provided by the CLI Type help to see a listing of the top level commands On most cases if you enter a command using the wrong number of arguments or inappropriate arguments the CLI will...

Страница 69: ...e following sections explaining each set of the commands Command Set Commands Function Utility clrscr download help ping General purpose utility commands Network net Commands for setting or displaying...

Страница 70: ...3 00 or higher help The help command lists the top level commands Syntax Description This command has no arguments or keywords ping The ping command sends Internet Control Message Protocol ICMP echo r...

Страница 71: ...the default gateway IP address of 0 0 0 0 stands for no default gateway Note The new setting will not take effect until the ITG is reset net set http on off The ITG allows you enable of disable its bu...

Страница 72: ...n ip_mask The subnet mask of your network Note The new setting will not take effect until the ITG is reset net set speed 10 100 auto The ITG allows you set the link speed for its Ethernet interface Us...

Страница 73: ...50 2d 00 08 9d Ethernet speed setting 10 100 Mbps auto negotiation USER password 123 HTTP server state on EITG net show hwstat The net show hwstat command displays the hardware configuration of the IT...

Страница 74: ...is only available while the ITG remains in operation If the ITG is reset the Active area is reloaded from the data stored in NVS Data in the Active area may be saved to NVS by entering the config sto...

Страница 75: ...nected automatically h323 nat_call off dtmf duration 300 ms No IMTC IP Defined h323 gk_mode off EITG show version The show version command displays the version of various software components of the IT...

Страница 76: ...n on Enable H323 early call setup connection off Disable H323 early call setup connection set h323 display_name display_name The set h323 display_name command is used to set the display name informati...

Страница 77: ...per when configured for manual mode Syntax Description ip_addr IP address of the H 323 gatekeeper set h323 gk_max_tries count The set h323 allow_call_wo_gk command is used to control how many registra...

Страница 78: ...teway handles DTMF relay per H 323 and IMTC specifications By default the ITG conveys DTMF digits in H 323 format The set h323 imtc_dtmf command is used to specify how DTMF digits are to be conveyed t...

Страница 79: ...port number for assignment of RTP ports When a calls are made to remote ITGs an RTP port is opened for each call The ITG uses the port_base as the RTP port number for the first call the next call uses...

Страница 80: ...non volatile storage atpm req atpm done atpm restore atpm store atpm purge atpm erase No No Yes No Yes No Destination table management Manage atpm destination table atpm dadd atpm ddel atpm dfind atpm...

Страница 81: ...om atpm ddress destination and hunt group tables addr Delete all entries from atpm address table dest Delete all entries from atpm destination table hunt Delete all entries from atpm hunt group table...

Страница 82: ...store all atpm tables into non volatile memory Syntax description erase Optional Erase the non volatile before storing the dial plan database This option is not recommended except the very first time...

Страница 83: ...command adds a h323 type remote destination entry into the atpm destination table A remote destination entry is typically another ITG or H323 gateway Syntax description dest_id Destination ID For each...

Страница 84: ...EITG atpm dfine 200 Enter Dest id Mode Destination 200 H 323 Dest 192 168 0 3 1720 TCP OK EITG atpm dlist The atpm dlist displays all entries in the destination table Syntax description This command h...

Страница 85: ...roup dest_id2 dest_id3 Optional List of ID s of additional destination members in the hunt group Example The following example shows how to group destination 1 2 3 and 4 into a hunt group assign it hu...

Страница 86: ...ITG User s Guide Example EITG atpm hlist Group id Type Members Member ids 1 2 1 1 2 2 1 2 3 2 1 3 4 2 1 4 5 2 1 5 6 2 1 6 7 2 1 7 8 2 1 8 11 2 1 11 OK EITG Command Line Interface 74...

Страница 87: ...th entries in the address table hunt_group_id Hung group ID for this telephone number prefix_strip_len The number of digits to be stripped at the beginning of the collected dial string before forwardi...

Страница 88: ...s Example EITG atpm alist Address Hunt Min Max Prefix Prefix Entry Grp_Id Digits Digits strip Address 103 3 0 16 0 None 104 4 0 16 0 None 201 1 1 3 3 None 202 2 1 3 3 None 203 3 1 3 3 None 204 4 1 3 3...

Страница 89: ...nts for collection of dial digits Syntax description dial_time The maximum time in millisecond allowed for entry of the entire string of dial digits At expiration ATPM starts address lookup 1st_digit_...

Страница 90: ...port port The tel show port command displays the hook state of a telephony port Syntax Description port Number of the port Default If the port number is not specified the CLI displays hook state of a...

Страница 91: ...level for the PCM codec for compensating signal loss in the local loop Syntax Description 1 Set gain level to 1 dB 2 Set gain level to 0 dB 3 Set gain level to 1 dB 4 Set gain level to 2 dB 5 Set gain...

Страница 92: ...r versions are no longer supported The following table lists the obsoleted commands and commands CLI current supports that serve the equivalent functions Obsoleted Command New Command activate config...

Страница 93: ...mal in the prompts and that it supports less commands 9 1 Entering Download Mode To switch from normal operation mode to download mode use the download CLI command EITG download Enter Note To be able...

Страница 94: ...Syntax Description This command has no arguments or keywords quit The quit command is used to terminate the download mode and return to normal operation mode Syntax Description This command has no ar...

Страница 95: ...ew setting will not take effect until the ITG is reset set mask ip_mask Use the set mask command to set the IP subnet mask for the ITG Syntax description ip_mask The subnet mask of your network Note T...

Страница 96: ...ITG User s Guide Command Line Interface 84...

Страница 97: ...cancellation G 168 compliant 16 ms tail length Voice processing Voice activity detection DTMF detection generation Echo cancellation Comfort noise generation Call progress detection Gain control Call...

Страница 98: ...ITG User s Guide Weight 4 2 kg 9 3 lb 5 1 kg 11 2 lb with two modules installed Compliances FCC Part 15 Class B CE UL Technical Specifications 86...

Страница 99: ...on 0 dB to 13 dB Longitudinal Balance 45 dB A 3 FXS Card Technical Specifications Signaling Loop Start DTMF No of channels 2 Interface Connectors 2 RJ 11 2 pin modular jacks Line Impedance 600 900 Ins...

Страница 100: ...xD 4 Not connected 5 Ground 6 Not connected 7 Not connected 8 Not connected 9 Not connected A 5 LAN Port The 10 100 LAN port use standard RJ 45 connector and Ethernet pinouts The following diagram and...

Страница 101: ...he pin for the RJ11 port 1 2 3 4 RJ 11 pin Signal 1 Not connected 2 Tip 3 Ring 4 Not connected A 7 FXS Port Pin Assignments The FXS Telephony Interface Module has 2 RJ11C W modular jacks The following...

Страница 102: ...ITG User s Guide Technical Specifications 90...

Страница 103: ...n entry from the hunt group table 73 atpm hfind Find and display an entry in the hunt group table 73 atpm hlist Display all entries in the hunt group table 73 atpm done End the atpm table update sessi...

Страница 104: ...er settings 63 show version Show software versions 63 set h323 Set H 323 parameters 63 67 tel show pcm_gain_level Display gain level setting of the PCM codec s receive channel 78 tel show port Display...

Страница 105: ...0 100 auto negotiation User ID for HTTP browser and Telnet client login eitg Password for HTTP browser and Telnet access login 123 HTTP server On Serial port Fixed Baud rate 19 200 Number of data bit...

Страница 106: ...ITG User s Guide Voice codec Preferred voice codec G 723 6 3kbps Telephony PCM codec receiver gain for FXO ports 1 dB Ringer frequency for FXS ports 17 Hz Factory Default Settings 94...

Страница 107: ...your network manager to obtain a static IP address for the ITG and the information about the IP subnet mask and the default gateway for your network Fill out the following work sheet before configurin...

Страница 108: ...destination ID then use the CLI command atpm dadd dest_id port port for each entry in the worksheet to add it to the destination table The dest_id in the command corresponds to the Destination ID in...

Страница 109: ...dd dest_id h323 ip_addr ip_port for each entry in the worksheet to add it to the destination table The dest_id in the command corresponds to the Destination ID in the worksheet the ip_addr corresponds...

Страница 110: ...ations are to be grouped and fill out the hunt table worksheet then use the CLI command atpm hadd hunt_group_id hunt_type dest_id for each entry in the worksheet to add it to the hunt group table The...

Страница 111: ...in the command corresponds to the Digits to Match in the worksheet the min_digits corresponds to the Min of Digits to Collect the max_digits corresponds to Max of Digits to Collect the hunt_group_id c...

Страница 112: ...Features 1 Front Panel 2 Front Panel 2 Gateway 1 grounded wrist strap 5 H 323 7 hunt group 8 Installing 5 Internet Telephony Gateway 1 IP1 KTS 1 PBX 1 Protocols 1 real time 1 Rear Panel 3 Reset Button...

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