3Com V7111 User Manual
3Com V7111 - VCX 4 Channels Analog FXO Media Gateway Manual
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3Com® VCX™ V7111 VoIP SIP Gateways User Manual Version 4.2 http://www.3com.com Part Number 900-0182-01 Rev AA Published June 2004 1 - 3Com V7111 | User Manual - Page 2
Incorporated. Microsoft, Windows, Windows 2000, Windows NT, and Microsoft Word are registered trademarks of Microsoft Corporation. All other company and product names may be trademarks of the respective companies with which they are associated. 2 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 3
and Connectors 23 Reader's Notes 25 CHAPTER 3: VCX V7111 24FXS HARDWARE INSTALLATION 27 Hardware Installation Procedure 27 Unpacking 27 MDF Adapter 27 Cable Connections 28 Front Panel LED Indicators 31 Rear Panel LED Indicators/Connectors 32 3Com VCX V7111 VoIP SIP Gateways User Manual 3 - 3Com V7111 | User Manual - Page 4
File Structure 88 The INI File Structure Rules 89 The INI File Example 90 Excel Utility for INI File Generation 91 General Data Sheet 91 4 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 5
Traps 124 LED Visual Indicator Status and Alarms 124 VCX V7111 Self-Testing 124 RS-232 Terminal 125 SysLog Support 126 Overview 126 SysLog Operation 127 Solutions to Possible Problems 127 General 127 Possible Common Problems 128 Reader's Notes 130 3Com VCX V7111 VoIP SIP Gateways User Manual 5 - 3Com V7111 | User Manual - Page 6
Types Defined in RFC 1890 149 3Com Defined Payload Types 150 Default RTP/RTCP/T.38 Port Allocation 151 Supporting V.34 Faxes 155 Using Bypass Mechanism for V.34 Fax Transmission 155 Using Relay Mode for Both T.30 and V.34 Faxes 155 Reader's Notes 156 6 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 7
FOR YOUR 3COM PRODUCTS 163 Register Your Product to Gain Service Benefits 163 Solve Problems Online 163 Purchase Extended Warranty and Professional Services 163 Access Software Downloads 164 Contact Us 164 Telephone Technical Support and Repair 164 3Com VCX V7111 VoIP SIP Gateways User Manual 7 - 3Com V7111 | User Manual - Page 8
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from that to which the receiver is connected. ƒ Consult the dealer or an experienced radio/TV technician for help. CAUTION: Installation and service of 3Com VCX V7111 products must be performed only by authorized, qualified service personnel. 3Com VCX V7111 VoIP SIP Gateways User Manual 9 - 3Com V7111 | User Manual - Page 10
Ethernet (100 Base-T) SELV FXS TNV-3 ƒ TNV-3 - Circuit Guide This book covers these topics: ƒ Chapter1: VCX V7111/SIP Overview ƒ Chapter 2: 2, 4, or 8 Channel VCX V7111 Hardware Installation ƒ Chapter 3: VCX V7111 Support for Your 3Com Products 10 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 11
uses the term VCX V7111. Related Documentation The following documents are available on the 3Com Partner Access website for the 3Com VCX V7111 Gateway: ƒ 3Com VCX V7111 SIP Release Notes ƒ 3Com VCX V7111 Gateway Fast Track Installation Guide 3Com VCX V7111 VoIP SIP Gateways User Manual 11 - 3Com V7111 | User Manual - Page 12
@3com.com Please include the following information with your comments: ƒ Document title ƒ Document part number (usually found on the front page) ƒ Page number ƒ Your name and organization (optional) Example: 3Com VCX V7111 VoIP SIP Gateways User Manual Page 25 12 3Com VCX V7111 VoIP SIP Gateways - 3Com V7111 | User Manual - Page 13
signals over a packet network. Additionally, for emergency use, the VCX V7111 FXS Gateway provides a Life Line, connected to the unused pins on port 4 (or port 2 for the 2FXS), with a relay to an analog line, even if the Gateway is powered off. 3Com VCX V7111 VoIP SIP Gateways User Manual 13 - 3Com V7111 | User Manual - Page 14
application. Figure 1 VCX V7111 24FXS VoIP Gateway VCX™ V7111 Analog Gateway 24 Channels (FXS) Figure 2 VCX V7111 8FXS Front View Figure 3 VCX V7111 4FXS Front View VCX™ V7111 Analog Gateway 8 Channels (FXS) Figure 4 VCX V7111 2FXS Front View 14 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 15
Figure 5 Typical VCX V7111 VoIP Application 3Com VCX V7111 VoIP SIP Gateways User Manual 15 - 3Com V7111 | User Manual - Page 16
19-inch, 1 U rugged enclosure provides up to 24 analog FXS ports, using a single 50 pin Telco connector. ƒ Mounting option of installing two VCX V7111 4FXS, 4FXO, 8FXS, or 8FXO Gateways in a single 19-inch rack shelf, one U high (1.75" or 44.5 mm). 16 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 17
Reader's Notes 3Com VCX V7111 VoIP SIP Gateways User Manual 17 - 3Com V7111 | User Manual - Page 18
18 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 19
there is no equipment damage. 4 Check, retain, and process any documents. 5 Notify 3Com of any damage or discrepancies. CAUTION: Installation and service of 3Com VCX V7111 products must be performed only by authorized, qualified service personnel. 3Com VCX V7111 VoIP SIP Gateways User Manual 19 - 3Com V7111 | User Manual - Page 20
positioning the peg into a convenient ventilation hole in the side of the VCX V7111 box. 3 Insert the Gateway into the 19-inch rack and fasten the left-hand and right-hand page 21. Desktop Mounting Installation Figure 7 VCX V7111 Desktop or Shelf 20 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 21
. Installation of the VCX V711 FXS Life Line 8FXS and 4FXS Gateways provide a Life Line connection on port 4. The VCX V7111 2FXS Gateway provides a Life Line connection on port 2. The 24 FXS and VCX V7111 FXO Gateways do not support the Life Line. 3Com VCX V7111 VoIP SIP Gateways User Manual 21 - 3Com V7111 | User Manual - Page 22
and Life Line Pinout for VCX V7111 FXS Gateways RJ-11 Connector and Life Line Gateway's ports. Figure 10 Front Panel LED Indicators 1 Table 4 Figure 10 Legend 1 Restart button Functionality of the Front Panel LEDs is explained in Table 5. 22 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 23
/switch supported in current release Device Status Green Orange Red ON Blinking ON Device Powered, Self test OK Software Loading/Initialization Malfunction Table 6 Label Activity VCX V7111 Channel LEDs Type Color FXS FXS or FXS Ports 1 5 3Com VCX V7111 VoIP SIP Gateways User Manual 23 - 3Com V7111 | User Manual - Page 24
2-wire Loop Start interface ETH 1 RJ-45 10/100 Base-T Port Shielded RS-232 DB-9, DCE Grounding screw Status Messages Chassis Ground Gateway connects to PC's RS-232 port with a straight cable (Figure 58 on page 125). Must be securely connected. 24 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 25
Reader's Notes 3Com VCX V7111 VoIP SIP Gateways User Manual 25 - 3Com V7111 | User Manual - Page 26
26 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 27
-four 2-wire lines into the VCX V7111, a Main Distribution Frame (MDF) Adapter Block should be used as shown in Figure 12. This converts the standard RJ-11 connector into a plain pair of wires that are terminated within a 50-pin Telco connector. 3Com VCX V7111 VoIP SIP Gateways User Manual 27 - 3Com V7111 | User Manual - Page 28
Telco connector mounted on the rear of the VCX V7111 24FXS is wired according to the pinout in Table 10 and shown in Figure 13. The user's cable-mounted 50pin Telco connector, supporting the twenty-four 2-wire phone lines, must be wired identically. 28 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 29
Connectors and Pinouts RJ-45 Connector and Pinout 1 2 3 4 5 6 7 8 1 - Tx+ 2 - Tx3 - Rx+ 6 - Rx- 4, 5, 7, 8 not connected RJ-11 Connector and Pinout 1 2 3 4 1 - Not connected 2 - Tip 3 - Ring 4 - Not connected 3Com VCX V7111 VoIP SIP Gateways User Manual 29 - 3Com V7111 | User Manual - Page 30
Telco connector mounted at the rear of the VCX V7111 24FXS and labeled Analog Lines 1-24. 6 Insert the RJ-45 VCX V7111 24FXS and labeled 100 - 250 V ~ 50 - 60 Hz 2A. 9 Observe the front panel LEDs to determine the functioning of the VCX V7111 24FXS. 30 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 31
the VCX V7111 24FXS are shown in Table 12. Front Panel LED Indicators Figure 16 Front Panel LED Indicators VCX™ V7111 Analog Gateway 24 Channels (FXS) 1 Table 11 Figure 16 Legend 1 Channels 1-24 2 Data 3 Control 4 LAN 5 Ready 2 4 3 5 3Com VCX V7111 VoIP SIP Gateways User Manual 31 - 3Com V7111 | User Manual - Page 32
Status Red ON Valid link to 10/100 Base-T hub/switch ON Malfunction Ready Device Status Green Orange Red ON Blinking ON 50 - 60Hz 2A 1 2 ANALOG LINES 1-20 3 46 ON Data Cntrl Ready 1 2 3 4 5 CONFIG 7 RS-232 5 8 Eth 1 Eth 2 9 32 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 33
ON Software Loading/Initialization Red ON Malfunction Eth 1 Ethernet Status Green Red ON Valid link to 10/100 Base-T hub/switch ON Malfunction Eth 2 Ethernet Status Green Red ON Valid link to 10/100 Base-T hub/switch ON Malfunction 3Com VCX V7111 VoIP SIP Gateways User Manual 33 - 3Com V7111 | User Manual - Page 34
for current SW release. RS-232 DB-9, DCE Status Messages Gateway connects to PC's RS-232 port with a straight cable (see Figure 58 on page 125). The DIP switch located on the VCX V7111 24FXS rear panel is not functional and should not be used. 34 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 35
Reader's Notes 3Com VCX V7111 VoIP SIP Gateways User Manual 35 - 3Com V7111 | User Manual - Page 36
36 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 37
Gateways. ƒ MIB library - Library of SNMP MIBs. Utilities: ƒ INI file utility.xls - Excel utility for creation of the INI file. ƒ TPDMUtil.exe - Call progress tones file generator utility. ƒ Bootp_install.exe- 3Com BootP and TFTP configuration utility. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 38
address and subnet mask. Usually the VCX V7111 Gateways are shipped with the following network parameters: ƒ VCX V7111 FXS Gateway IP address: 10.1.10.10 ƒ VCX V7111 FXO Gateway IP address: 10.1.10.11 ƒ Subnet: 255.255.0.0 ƒ Default Gateway: 0.0.0.0 38 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 39
Password fields are case-sensitive. Click OK; the Quick Setup screen is accessed. 5 In the Quick Setup screen, complete the Gateway's new IP address, NAT IP Address, Subnet Mask, and Default Gateway IP Address fields. Set the basic SIP Gateway Parameters, as shown in Figure 19. 3Com VCX V7111 VoIP - 3Com V7111 | User Manual - Page 40
Figure 19 SIP Quick Setup Screen 6 Open the Endpoints' Phone Numbers table and fill in the Gateway phone numbers. For example, for the 8FXS, enter 1-8 in Channel(s) field and a Click Submit and close the window. Figure 20 Endpoints' Phone Numbers 40 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 41
IP address is known, you can use a web browser for Gateway configuration and provisioning. Otherwise, you can use BootP (or DHCP) and TFTP protocols for initialization and software download. Each time the VCX V7111 Gateway is powered-on, it performs the standard BootP procedure. 3Com VCX V7111 VoIP - 3Com V7111 | User Manual - Page 42
of your VCX V7111 Gateway. ƒ Gateway IP Address - If a default Gateway/Router is required, complete this field; otherwise, enter the address 0.0.0.0. ƒ Subnet Mask - Set the subnet mask fields to correspond to your network IP address settings. 42 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 43
and for restoring the local database. ƒ Templates. ƒ User-defined names for each entity. ƒ Option for changing the Gateway MAC (Media Access Control) address. ƒ Protection against entering fault information. ƒ Unicast or Broadcast BootP response. 3Com VCX V7111 VoIP SIP Gateways User Manual 43 - 3Com V7111 | User Manual - Page 44
be written in lower case letters.When upgrading the internal software (either from a TFTP Server or from the Embedded Web Server) it is mandatory to download the ram.cmp file and all other related files: INI, coefficient, and call progress tone. 44 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 45
Utility from Start>Programs>BootP; the 3Com Configuration Utility main screen opens: Figure 22 3Com Configuration Utility Main Screen 3 Click the Edit tab to open the Edit menu. 4 Select Preferences to open Preferences window shown in Figure 23. 3Com VCX V7111 VoIP SIP Gateways User Manual 45 - 3Com V7111 | User Manual - Page 46
opens the Client Configuration screen shown in Figure 24. The parameter fields displayed on the right side of the screen constitute the VCX V7111 software profile configuration. The parameter fields are all blank in the case of a Client Not Found. 46 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 47
to Boot file name, such as ram.cmp -fb. After entering the file names, click Apply & Reset.The following status messages are displayed in the 3Com BootP/TFTP Server main screen: Figure 25 3Com Configuration Utility - TFTP download 3Com VCX V7111 VoIP SIP Gateways User Manual 47 - 3Com V7111 | User Manual - Page 48
Reader's Notes 48 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 49
strings are defined in the VCX V7111 INI file (or configured from the web). By default the REGISTER request will be sent to the proxy IP address. It is possible to change the registration address by configuring the REGISTRAR IP address. 3Com VCX V7111 VoIP SIP Gateways User Manual 49 - 3Com V7111 | User Manual - Page 50
-00.txt). ƒ SIP URL: sip:phone_number@IP address (such as [email protected], where 122 is the Supported codecs: ƒ G.711 A-law ƒ G.711 µ-law ƒ G.723 ƒ G.729A ƒ G.726 ƒ NetCoders (from 6.4 through 8.8 Kbps) ƒ Can negotiate codec from a list of given codecs 50 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 51
connection with the proxy using keep-alive messages (OPTIONS). ProxyName Proxy domain name used in SIP RequestURI. If this parameter is not specified, the Proxy IP address will be used instead in SIP URL. SIPgw No Proxy IsProxyUsed SIPgw 0 3Com VCX V7111 VoIP SIP Gateways User Manual 51 - 3Com V7111 | User Manual - Page 52
IP address> list Phone or/and Prefix Tables b. IP = *, When a proxy is not used, it is necessary to define IP routing table, to enable VCX V7111 Gateway to find destination IP address Coder CoderName General Preferred coder name 52 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 53
Use the IsWaitForDialTone parameter to specify whether the dialing comes after detection of dial tone, or immediately after seizing the line. The FXO Gateway releases the call if busy or fast busy (reorder) tone is detected on the FXO port. General 3Com VCX V7111 VoIP SIP Gateways User Manual 53 - 3Com V7111 | User Manual - Page 54
is not used, however if IsUseFreeChannel = 0, the phone number received in INVITE, is used for seizing specific FXO line that has same number. The FXO Gateway releases the call if busy or fast busy (reorder) tone is detected on the FXO port. 54 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 55
feature enables users to differentiate incoming IP calls and apply routing and number manipulation rules, based on the hunt group from where the call arrived. When using Hunt groups ChannelList and Channel2Phone parameters are ignored. Range 1- 99 3Com VCX V7111 VoIP SIP Gateways User Manual 55 - 3Com V7111 | User Manual - Page 56
For the second Gateway, define local phone numbers: from 201 through 208. ƒ On the Phones Prefix Routing Table sheet, define routing IP addresses for each dialed = 0 ; IP to Phones routing table Prefix = 10,10.2.37.10 Prefix = 20,10.2.37.20 56 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 57
: Call-ID: [email protected] CSeq: 20214 INVITE Contact: Supported: 100rel,em Accept-Language: en Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO 3Com VCX V7111 VoIP SIP Gateways User Manual 57 - 3Com V7111 | User Manual - Page 58
[email protected] CSeq: 20214 INVITE Contact: Supported: 100rel,em Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO Content-Type: application [email protected] CSeq: 34541 BYE 58 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 59
-Server/1.17 Content-Length: 0 WWW-Authenticate: Digest realm="3com.com", nonce="11432d6bce58ddf02e3b5e1c77c010d2", stale=FALSE, algorithm=MD5 According to the sub-header present in the WWW-Authenticate header the correct REGISTER request is formed. 3Com VCX V7111 VoIP SIP Gateways User Manual 59 - 3Com V7111 | User Manual - Page 60
realm return by the proxy: 3com.com. ƒ The password from the INI file: 3Com. ƒ The equation to be evaluated: (according to RFC this part is called A1). ƒ 122:3com.com:3Com. ƒ The MD5 algorithm is 200: Expires:3600 Authorization: Digest, username: 122, 60 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 61
and 8FXS Gateways. In this configuration, PBX incoming calls are routed to Remote Extension using the 8FXO and 8FXS Gateways. Requirements ƒ One 8FXO Gateway ƒ One 8FXS Gateway ƒ Analog phones (POTS) ƒ PBX - one or more PBX loop start lines ƒ LAN 3Com VCX V7111 VoIP SIP Gateways User Manual 61 - 3Com V7111 | User Manual - Page 62
Dial the destination number (the DTMF digits are sent, over IP, directly to PBX). 4 All tones heard are generated from PBX (such as busy, or fast busy tones). 5 There is one-to-one mapping between 8FXS ports and PBX lines. 6 The call is disconnected when 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 63
numbers from 200 through 207. 2 Configure TargetOfChannel table to include phone numbers of the 8FXS Gateway: such as TargetOfChannel0= 100 (when ringing signal is detected at port 0 of FXO Gateway, the FXO Gateway automatically dials 100 number). 3Com VCX V7111 VoIP SIP Gateways User Manual 63 - 3Com V7111 | User Manual - Page 64
3 Configure IP to phone table, to IP address and numbers of the FXS Gateway: such as Prefix=10, 10.1.10.3 (where 10.1.10.3 is an IP address of the 8FXS). 4 Set IsDialNeeded = TargetOfChannel7 = 107 Phones to IP routing table Prefix = 10,10.1.10.3 64 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 65
Reader's Notes 3Com VCX V7111 VoIP SIP Gateways User Manual 65 - 3Com V7111 | User Manual - Page 66
66 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 67
is downloaded at startup and stored in non-volatile memory. The provisioning procedure should be used again only to modify VCX V7111 parameters; otherwise, BootP and TFTP is not needed again. The Default Channel Parameters are applied to all VCX V7111 channels. 3Com VCX V7111 VoIP SIP Gateways User - 3Com V7111 | User Manual - Page 68
auto-negotiate, but the speed (10 Base-T, 100 Base-T) in this mode is always configured correctly. DNSPriServerIP (DNS Primary Server IP) IP address of primary DNS server DNSSecServerIP (DNS Secondary Server IP) IP address of secondary DNS server 68 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 69
(default) 1 = Perform diagnostics WatchDogStatus 0 = Disable Gateway's watchdog 1 = Enable Gateway's watchdog (default) EnableLanWatchDog 0 - Disable LAN Watchdog (default) 1 - Enable LAN Watchdog VCX V7111 restarts if LAN failure is detected 3Com VCX V7111 VoIP SIP Gateways User Manual 69 - 3Com V7111 | User Manual - Page 70
IP address of SNMP Manager. The SNMP manager is used for receiving SNMP Traps. For example: SNMPManagerIP = 10.2.1.10 DisableSNMP (Network/Settings/Enable SNMP) 0 = SNMP is enabled (default) 1 = SNMP is disabled HTTPport HTTP port used for Web management (default = 80) 70 3Com VCX V7111 VoIP - 3Com V7111 | User Manual - Page 71
RTP fax/modem bypass packet. (Range 1-2, default = 1) -18 to -3, corresponding to -18 dBm to -3 dBm in 1 dB steps. (Default = -12 dBm) Fax gain control. 0 = Disable using ECM mode during Fax Relay 1 = Enable using ECM mode during Fax Relay. (default) 3Com VCX V7111 VoIP SIP Gateways User Manual 71 - 3Com V7111 | User Manual - Page 72
(V21 Transport Type) 0 = Transparent, (default) 2 = ModemBypass V22ModemTransportType (V22 Transport Type) 0 = Transparent 2 = ModemBypass, (default) V23ModemTransportType (V23 Transport Type) 0 = Transparent 2 = ModemBypass, (default) 72 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 73
to remote. (Default) 2 = digits remains in voice stream. 3 = erase digit from voice stream, relay to remote according to RFC 2833 standard. 7 = digits are sent using RFC 2833 standard, but received RFC 2833 digits are muted from the audio stream. 3Com VCX V7111 VoIP SIP Gateways User Manual 73 - 3Com V7111 | User Manual - Page 74
63 value for setting the Diff Services Code Point (DSCP). If defined it will override the IP TOS and IP Precedence settings. Applies only to RTP packets. 0 - 7 (default 0) Sets the value of the IP precedence field in the IP header for all RTP packets 74 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 75
the value of the IP Type Of Service field in the IP header for all RTP packets 300 - 1500 (default 700) Flash Hook time in ms. The parameter is used for Flash Hook detection in VCX V7111 FXS Gateways and for Flash Hook generation in VCX V7111 FXO Gateways. 25 - 300, (default = 250) Minimum threshold - 3Com V7111 | User Manual - Page 76
, the name is used as Request-URI in REGISTER, INVITE, and other SIP messages. If the proxy name is not specified, the Proxy IP address is used instead. 0 = Disable (default) 1 = Keep alive with Proxy, every 60 seconds sends an OPTIONS SIP message 76 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 77
=1) is usually defined for FXO Gateways. Selecting AuthenticationMode=2 and IsUseFreeChannel=0 leads to a separate registration of each Endpoint. Selecting AuthenticationMode=2 and IsUseFreeChannel=1 leads to a single Gateway registration. 3Com VCX V7111 VoIP SIP Gateways User Manual 77 - 3Com V7111 | User Manual - Page 78
on HookFlash 0 = Hold service disabled (default) 1 = Hold (or unhold) is activated in FXS Gateway using HookFlash signaling SIP UDP destination port for sending SIP messages. Default = 5060 Local UDP port used to receive SIP messages (default = 5060) 78 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 79
=phone string is part of the SIP URL (default) 0 = # digit will terminate DTMF dialing (Default) 1 = # digit will not terminate dialing Timer T1 value for retransmission in ms. SipT1Rtx = 500 Timer T2 value for retransmission in ms. SipT2Rtx = 4000 3Com VCX V7111 VoIP SIP Gateways User Manual 79 - 3Com V7111 | User Manual - Page 80
(Hunt Group Table) Valid Range and Description Supported Coders g711Ulaw64k G.711 µ-law, 20 ms ms g711Alaw64k,10 G.711 A-law, 10 ms g7231 G.723 6.3 Kbps (default) g7231r53 G.723 5.3 Kbps g726 G.726 ADPCM 16 Kbps (Payload Type = 200 80 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 81
VCX V7111 2FXS Gateways. For 8-port and 24-port Gateways it is suggested to use ChannelList = parameter, where in a single line, all Gateway's phone numbers can be defined. The Channel2Phone can be used instead or in addition to ChannelList = parameter. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 82
Range and Description Mapping phone number to IP address, using phone number prefix Example: Prefix = 20,10.2.10.2 Any dialed number that starts with 20 is routed to IP address 10.2.10.2. Needed number Identical rules to those of destination number 82 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 83
IPÆTel calls. 0 = Route calls before number manipulation (default) FXS and FXO Gateways. If DialisNeeded =1 the FXO Gateway will seize the line (after detecting the ringing signal), play a dial tone, collect DTMF digits and send INVITE to IP destination. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 84
per Gateway FXS or FXO port (channel). 0 = Select the FXO channel according to destination phone number received in INVITE message, (default) 1 = Select the next available FXO channel Used for IPÆ VCX V7111 or immediately after seizing of the line. 84 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 85
wait for dial tone 1 = Wait for dial tone (default) Used for VCX V7111 FXO, for One Stage Dialing. If IsWaitForDialTone = 0, VCX V7111 FXO dials phone number immediately after seizing the PSTN/PBX line =0, erase digit and do not relay). 3Com VCX V7111 VoIP SIP Gateways User Manual 85 - 3Com V7111 | User Manual - Page 86
detected and send to IP in SIP INVITE message (as Display element). 0 = The line polarity is not changed on answer (default) 1 = The line polarity is changed on call answer and then changed back on call release Applicable for VCX V7111 FXS Gateways. 86 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 87
The CDR Syslog message complies with RFC 3161 and is identified by: Facility = 17 (local1) and Severity = 6 (Informational) 0 = Not used (default) 1 = If LAN or Proxy are not responding, the Gateway plays a reorder tone when the phone is OffHooked. 3Com VCX V7111 VoIP SIP Gateways User Manual 87 - 3Com V7111 | User Manual - Page 88
information on how to create and download this file. ƒ FXSCoefFileName - The name (and path) of the file providing the FXS line characteristic parameters. ƒ FXOCoefFileName - Parameter_Name = Parameter_Value . .. ; REMARK [Sub Section Name] 88 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 89
Agent IP address. ƒ The INI file should be ended with one or more carriage returns. ƒ [Files] line should precede the CallProgressTonesFileName, and these lines, if used, should be placed at the end of INI file; (see the INI file example, Figure 30). 3Com VCX V7111 VoIP SIP Gateways User Manual 89 - 3Com V7111 | User Manual - Page 90
file is in fact mp108.ini, and not by mistake mp108.ini.ini, or mp108~.ini. To restore VCX V7111 default configuration parameters, use the mp1xx.ini file without any valid parameters or with semicolon (;) character preceding all lines in the file. 90 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 91
Excel Utility for INI File Generation The Excel Utility enables easy generation of VCX V7111 Gateway INI files. To use the Excel utility, first install the Microsoft Office 2000 Excel application. General Data Sheet Figure 31 General Data Sheet 3Com VCX V7111 VoIP SIP Gateways User Manual 91 - 3Com V7111 | User Manual - Page 92
End Points Page Figure 32 End Points Page 92 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 93
the VCX V7111, a correct definition should be used in the mp108.ini file. See "Call Progress Tone and Ringing Generation and Download Procedure" on page 99 for the description of the procedure on how to generate and download the Call Progress Tones file. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 94
cadence on-off cycle. ƒ Second Signal On Time [10 msec] - Signal On period (in 10 ms units) for the second cadence on-off cycle. 94 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 95
(either single or dual frequencies are supported) and the tone cadence. This Default Template for Call Progress Tones The VCX V7111 is initialized with the default VCX V7111 reports dial tone detection if either one of the two tones has been detected. 3Com VCX V7111 VoIP SIP Gateways User Manual 95 - 3Com V7111 | User Manual - Page 96
First Signal On Time [10msec]=50 First Signal Off Time [10msec]=50 Second Signal On Time [10msec]=50 Second Signal Off Time [10msec]=50 96 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 97
defined, if not a default ringing pattern applies. The ringing frequency can be configured in the range from 10 Hz through 200 Hz with a 5 Hz resolution. Each ringing cadence period can be defined as single ringing burst. See the following examples. 3Com VCX V7111 VoIP SIP Gateways User Manual 97 - 3Com V7111 | User Manual - Page 98
Burst string is defined per each ringing cadence and it must appear between First/Second/Third/Forth string and the Ring On/Off Time. 98 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 99
To generate and download the Call Progress Tone file, follow these steps: 1 Prepare the tone.ini file including call progress tones and ringing parameters. 2 Use the Download conversion utility to generate binary tone.dat file. See Figure 34. 3Com VCX V7111 VoIP SIP Gateways User Manual 99 - 3Com V7111 | User Manual - Page 100
Figure 34 Download Selection Screen 3 Click Process a new file. 4 Select an input file such as usa_tone.ini and fill CallProgressTonesFilename = 'usa_tone.dat' BurnCallProgressTonesFile = 1 8 Save the usa_tone.dat and mp108.ini files in TFTP folder. 100 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 101
VCX V7111 FXS and FXO Gateways. support loading of a new Coefficients.ini file. This file consist of AC and DC line parameters for the peripheral devices. This file is loaded into the VCX V7111 using the TFTP, in the same way as for the tones.dat file. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 102
Reader's Notes 102 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 103
network MIBs (such as the IP MIB), VoIP-specific MIBs (such as RTP) and a proprietary MIB (known also as 3Com MIB) enabling a deeper probe into the inter-working of the Gateway. All the supported MIBs files are supplied as part of the release. 3Com VCX V7111 VoIP SIP Gateways User Manual 103 - 3Com V7111 | User Manual - Page 104
the network manager of a problem apart from polling of the all names and values that the device supports. This is accomplished by beginning with IP address of SNMP Manager is defined in the INI file or using a web browser (in Network Settings). 104 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 105
a MIB is compiled into an SNMP manager, the manager is made aware of new objects that are supported by agents on the network. The concept is similar to adding a new schema to a database. incorporated into virtually all network management systems. 3Com VCX V7111 VoIP SIP Gateways User Manual 105 - 3Com V7111 | User Manual - Page 106
following sections. The 8FXS, 8FXO, 4FXS, 4FXO, and 2FXS Gateways have identical functionality (the 2FXS supports FXS only), except for the number of channels, and are referred to collectively in this manual as the VCX V7111. Password Control The Embedded Web Server is protected by a unique username - 3Com V7111 | User Manual - Page 107
Server is always activated. Using the Embedded Web Server This section explains how to use the Embedded Web Server. After the initial IP address is set to the Gateway it is possible to connect with the integral web-based configuration application. 3Com VCX V7111 VoIP SIP Gateways User Manual 107 - 3Com V7111 | User Manual - Page 108
Management or Advanced Configuration menus. Quick Setup provides a basic set of Gateway configuration settings. An example of the Quick Setup configuration is described in "Quick Setup Procedure" on page 38. Figure 36 Embedded Web Server - Home Page 108 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 109
web pages: ƒ Network Settings ƒ Channel Settings ƒ Configuration File ƒ Regional Settings ƒ Change Password Set up Gateway Network Parameters To change the Gateway network settings, select the Network Settings tab shown in the following figure. 3Com VCX V7111 VoIP SIP Gateways User Manual 109 - 3Com V7111 | User Manual - Page 110
and RTP IP Precedence QOS parameters. ƒ Ethernet status (read only). Channel Settings From Channel Settings page, you can modify the following channel associated parameters: ƒ Voice Setting ƒ Fax/Modem/CID Settings ƒ RTP Settings ƒ IP Media Settings 110 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 111
: ƒ Call Progress Tone ƒ Coefficient file (different file for VCX V7111 FXS and FXO Gateways) ƒ Voice Prompt file - Currently not applicable for VCX V7111 Gateways In addition, you can set and view from this page the Gateway internal date and time. 3Com VCX V7111 VoIP SIP Gateways User Manual 111 - 3Com V7111 | User Manual - Page 112
username and password, select the Change Password tab as shown in the following figure. Figure 41 Change Password Set Up Gateway SIP Parameters To set the Gateway's SIP parameters, select the Protocol Management tab shown in the following figure. 112 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 113
table ƒ Tel To IP Routing table ƒ IP to Hunt Group Routing table ƒ Call Forward table (For VCX V7111 FXS Gateways); currently not supported on SIP Gateways Set Up SIP Protocol , Proxy Server, and Authentication Parameters shown in Figure 43. 3Com VCX V7111 VoIP SIP Gateways User Manual 113 - 3Com V7111 | User Manual - Page 114
Figure 43 General, Proxy Server and Authentication Parameters ƒ VoIP Coders shown in the following figure. Figure 44 Coders ƒ DTMF and Dialing Parameters shown in the following figure. Figure 45 DTMF and Dialing Parameters 114 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 115
number for Tel Æ IP calls. The routing Services Parameters. These parameters enable Call Hold/Unhold and Call Transfer services shown in the following figure. Figure 48 Supplementary Services ƒ Other Miscellaneous parameters shown in the following figure. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 116
manipulation tables used to modify destination and source numbers in IPÆ Tel and TelÆ IP directions. Manipulation table for IP Æ Tel calls is shown in the following figure. Figure all numbers starting with 123451001 and adds the digit 8 as a prefix. 116 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 117
FXO analog Gateways, for outgoing, Tel Î IP calls. The table contains pre-configured phone numbers per Gateway port. The number is automatically dialed if phone is picked up (for FXS Gateway) or ring signal is applied to FXO Gateway port, see Figure 52. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 118
VCX V7111 FXS/FXO Gateway port. This information is sent to remote party, for Tel Î IP calls. Remote party can use this display information for caller identification. The caller ID string can contain up to 18 characters. Figure 53 Caller ID Table 118 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 119
be used for security. If security feature is enabled (SecureCallFromIP = 1) the Gateway accepts calls coming only from these addresses. The Phone to IP Routing Table is shown in the following figure. Figure 54 Phone to IP Routing & IP Security Table 3Com VCX V7111 VoIP SIP Gateways User Manual 119 - 3Com V7111 | User Manual - Page 120
following figure. Figure 55 IP to Hunt Group Routing Table Channel Status Menu Selecting the Status & Diagnostics tab and then the Channel Status page provides real time monitoring of the current channel status, as shown in the example in Figure 56. 120 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 121
Figure 56 Channel Status Active Channels are green. To view the status of a specific channel, click it; a channel status screen appears (Figure 57). Figure 57 Channel Status Detail 3Com VCX V7111 VoIP SIP Gateways User Manual 121 - 3Com V7111 | User Manual - Page 122
Reader's Notes 122 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 123
Gateways. ƒ LED Indication of channel activity status, data, control, and LAN status. ƒ VCX V7111 Self-Testing on hardware initialization. ƒ RS-232 Terminal Notification Messages. ƒ SysLog Event Notification Messages. ƒ Solutions to Common Problems. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 124
supported in current release Device Powered, Self test OK Software Loading/Initialization Malfunction Table 22 VCX V7111 with Channel LEDs VCX V7111 with 1 - 8 Channels Label Type Color State Activity FXS by the LED status indicators. 124 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 125
the RS-232 cable; the COM1/2 Properties dialog opens. 4 In the COM1/2 Properties dialog, enter the following settings for the serial communication port: ƒ Baud Rate: 115,200 bps ƒ Data bits: 8 ƒ Parity: None ƒ Stop bits: 1 ƒ Flow control: Hardware 3Com VCX V7111 VoIP SIP Gateways User Manual 125 - 3Com V7111 | User Manual - Page 126
of one, two, or three decimal integers. Example Oct 11 16:00:15 mymachine su: 'su root' failed for lonvick on /dev/pts/8 126 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 127
If there is a problem, check the following resources: ƒ Web browser status and channel parameter pages. ƒ Log messages of VCX V7111 in HyperTerminal screen. ƒ BootP and TFTP log messages (for startup problems). ƒ Log messages in SysLog server. 3Com VCX V7111 VoIP SIP Gateways User Manual 127 - 3Com V7111 | User Manual - Page 128
the VCX V7111. Network problem Network definitions BootP did not reply to box Check cables. ƒ Check if default Gateway can reach IP of box. ƒ Check if box got the correct IP (it can be seen in the HyperTerminal screen). ƒ Check the validity of IP address, subnet and default Gateway. ƒ If default - 3Com V7111 | User Manual - Page 129
The INI file is corrupted Old INI file was probably loaded. Check which INI file was loaded. This can be done using HyperTerminal screen. The Gateway displays contents of INI file before it began. Check INI file syntax. 3Com VCX V7111 VoIP SIP Gateways User Manual 129 - 3Com V7111 | User Manual - Page 130
Reader's Notes 130 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 131
32 phones) simultaneously in Offhook and Ring states. VCX V7111 24 FXS REN = 2 VCX V7111 2FXS, 4FXS, 4FXO, 8FXS, or 8FXO REN = 5 ƒ Over-temperature protection for abnormal situations as shorted lines. ƒ Loop-backs for testing and maintenance. 3Com VCX V7111 VoIP SIP Gateways User Manual 131 - 3Com V7111 | User Manual - Page 132
VCX V7111 FXO Functionality FXO Capabilities ƒ Short or Long Haul up to 7,000 m (24,000 ft) using 24 AWG line cord. (does not real time fax relay Tolerant network delay (up to 9 seconds round trip) Modem Relay Up to 14.4 Kbps V.32bis (optional) 132 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 133
Eight RJ-11 connectors Four Analog Lines (4FXS Four RJ-11 connectors or 4FXO) Two Analog Lines (2FXS) Two RJ-11 connectors Ethernet 10/100 Base-T, RJ-45 shielded connector RS-232 Console port - DB-9 Front Panel Reset Resets the VCX V7111 3Com VCX V7111 VoIP SIP Gateways User Manual 133 - 3Com V7111 | User Manual - Page 134
, 1A, 47-63 Hz FCC part 68 and CE CTR21 UL 1950, FCC part 15 Class B CE Mark (EN 60950, EN 55022, EN 55024) Gateway configuration using Web browser, INI files or local RS-232 console SNMP SysLog, per RFC 3164 Local RS-232 terminal Web Management 134 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 135
Reader's Notes 3Com VCX V7111 VoIP SIP Gateways User Manual 135 - 3Com V7111 | User Manual - Page 136
136 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 137
3Com requirements. Key Features ƒ Internal BootP server supporting hundreds of entities. ƒ Internal TFTP server. ƒ Contains all required data for 3Com products in predefined format. ƒ Provides a TFTP server address 98, Windows NT, Windows 2000. 3Com VCX V7111 VoIP SIP Gateways User Manual 137 - 3Com V7111 | User Manual - Page 138
/TFTP Configuration Utility Installation The BootP/TFTP Configuration Utility can be installed on a PC by downloading it from http://www.3com.com/: ƒ TrunkPack Boards (TP) ƒ VCX V7165 Platforms (IPM) ƒ TrunkPack Modules (TPM) ƒ MediaPack Series (MP) 138 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 139
the firewall that blocks BootP broadcast requests. Client Configuration Window The Client Configuration Window (Figure 63 on page 144) shows: ƒ All client entities ƒ MAC ƒ Name ƒ IP per entity 3Com VCX V7111 VoIP SIP Gateways User Manual 139 - 3Com V7111 | User Manual - Page 140
from the template. Template Window The Template Window (Figure 64 on page 146) enables you to add, modify, or delete templates. The template includes: ƒ Subnet ƒ Gateway, TFTP server ƒ BootFile ƒ INI file ƒ Call Agent fields ƒ Server IP 140 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 141
Button - Opens a dialog box, where you can enter an IP of a client. The program sends a Reset command to that client. ƒ Edit/Preferences - Selecting Preferences from the Edit menu opens the Preferences window for defining BootP and TFTP parameters. 3Com VCX V7111 VoIP SIP Gateways User Manual 141 - 3Com V7111 | User Manual - Page 142
name and Download status are displayed ƒ Pop-Up Menu - When you right-click a line in the log window, the pop-up menu opens. In this reset this way, you do not have to know the current IP of the client; however, you must have administrator privileges, or 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 143
BootP broadcast requests. In a typical application, this feature can be disabled by entering 0 in this field. When selected, several BootP replies are sent to the VCX V7111 immediately after the remote reset command. 3Com VCX V7111 VoIP SIP Gateways User Manual 143 - 3Com V7111 | User Manual - Page 144
displayed on the right side of the window: ƒ Client MAC - This is the MAC address of the client. When you edit the MAC, a new client is added, with the override all of the previous parameters. ƒ IP, Subnet, Gateway - Normal IP parameters. 144 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 145
It requires you to have administrator privileges. The remote reset is supported for software in this version and up. When adding a new IP address). To use the Templates window, create a template, and then apply the template to the client by selecting it. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 146
Figure 64 Templates Window 146 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 147
Reader's Notes 3Com VCX V7111 VoIP SIP Gateways User Manual 147 - 3Com V7111 | User Manual - Page 148
148 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 149
3Com has added new payload types to enable advanced use of other coder types. These types are reportedly not used by other applications. See the VCX V7165 Digital Media Server Release Notes for the supported 203 RTCP BYE packet 204 RTCP APP packet 3Com VCX V7111 VoIP SIP Gateways User Manual 149 - 3Com V7111 | User Manual - Page 150
Types Table 26 3Com Defined Payload Types Payload Type Description 35 G.726 16 Kbps 36 G.726 24 Kbps 38 G.726 40 Kbps 39 G.727 16 Kbps 40 G. 20 20 20 20 20 20 20 20 20 20 20 20 Different packet rates 20 20 Same as channel's voice coder 150 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 151
RTP/RTCP/T.38 Port Allocation Table 27 Default RTP/RTCP/T.38 Port Allocation Channel Number RTP Port RTCP Port 1 4000 4001 2 4010 4011 3 4020 4021 4 4232 Note the changed port allocation from earlier releases, for channel 5 and above. 3Com VCX V7111 VoIP SIP Gateways User Manual 151 - 3Com V7111 | User Manual - Page 152
Reader's Notes 152 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 153
parameter. The following four modes are supported: ƒ DTMFTransportType= 0 (MuteDTMF) - switches from the current voice coder to answer tone mode, and then to fax relay mode. The UseT38orFRF11 configuration parameter defines either T.38-compliant 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 154
using FRF.11 mode, only redundancy packets are supported. The depth of the redundancy in both switching, from bypass coder to regular voice coder, is carried out. When Fax relay is enabled, V21TransportType must be set to disable (Transparent) mode. 154 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 155
Supporting V.34 Faxes V.34 faxes do not comply with the T.38 relay standard. 3Com therefore T.38 Relay mode. Use the following configuration as a guide: FaxTransportMode = 1 (Relay) V34ModemTransportType = 0 (Transparent) in the slower T.30 mode. 3Com VCX V7111 VoIP SIP Gateways User Manual 155 - 3Com V7111 | User Manual - Page 156
Reader's Notes 156 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 157
need to install Windows NT4 services pack 4 (or higher) after enabling the DHCP server service on the NT server. This opens the following screen: Figure 65 Scope Menu 2 Select Add Reservations from the Scope menu; the Add Reserved Clients screen opens. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 158
IP address reservation should be inside your DHCP Scope. 5 Enter the hardware MAC address, 12 digits, from your 3Com Gateway. 6 Enter Client name; it can be any free text. 7 Select Add and then Close. 8 From Scope menu in the main screen, select Active Leases. 158 3Com VCX V7111 VoIP SIP Gateways - 3Com V7111 | User Manual - Page 159
Figure 67 Active Leases Select Screen The Active Leases screen displays the following selection box: Figure 68 Active Leases Selection Box 9 Click the Properties button. 3Com VCX V7111 VoIP SIP Gateways User Manual 159 - 3Com V7111 | User Manual - Page 160
screen: ƒ 003 Router (Default router/Gateway) ƒ 012 Host Name (BootP client name such as the 24FXS or other customer-selected name) ƒ 066 Boot Server Host Name (Domain name or IP address of the TFTP server) ƒ 067 Bootfile Name (Such as ram.cmp) 160 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 161
file ram.cmp is a compressed version of the ram.hex, enabling faster download and reduced file size. The ram.cmp is the only version that can Router field and click the Value button. 13 Edit the IP Address Array in the IP Address Array Editor screen. 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 162
Reader's Notes 162 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 163
Warranty and Professional Services To enhance response times or extend your warranty benefits, you can purchase value-added services such as 24x7 telephone technical support, software upgrades, onsite assistance, or advanced hardware replacement. 3Com VCX V7111 VoIP SIP Gateways User Manual 163 - 3Com V7111 | User Manual - Page 164
3Com reseller. Contact Us 3Com offers telephone, internet, and e-mail access to technical support and repair services. To access these services for your region, use the appropriate telephone number, URL, or email address changes, if applicable 164 3Com VCX V7111 VoIP SIP Gateways User Manual - 3Com V7111 | User Manual - Page 165
online at http://esupport.3com.com/. First-time users must apply for a user name and password. Telephone numbers are correct 2000 You can also obtain support in this region at this e-mail address: [email protected] Or request a return 3Com VCX V7111 VoIP SIP Gateways User Manual 165 - 3Com V7111 | User Manual - Page 166
in Latin America, send e-mail to: [email protected] US and Canada - Telephone Technical Support and Repair All locations: Network Jacks; Wired or Wireless Network Interface Cards: 1 847-262-0070 All other 3Com products: 1 800 876 3266 166 3Com VCX V7111 VoIP SIP Gateways User Manual
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1
3Com
®
VCX
™
V7111 VoIP SIP
Gateways User Manual
Version 4.2
Part Number 900-0182-01 Rev AA
Published June 2004