Connection Technology Systems VRG-21412-WF-G SERIES User Manual Download Page 63 | Manualshive

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APPENDIX A

DHCP readme

The advanced DHCP server setup for automatically upgrading Firmware and configuration
file is described below.

WLAN VoIP Residential Gateway Auto-Provisioning Function

The  WLAN  VoIP  Residential  Gateway  supports  the  DHCP  option  60  to  work  as  a  DHCP
client.  The  system  includes  ISC  DHCP  server,  FTP  file  server,  and  the  WLAN  VoIP
Residential Gateway.

DHCP  server  includes  the  following  vendor-specific  options  (by  43)  to  respond  to  the
Wireless Gateway.

1.  Option 43: Protocol (0: TFTP or 1: FTP)
2.  Option 43: IP (TFTP or FTP server)
3.  Option 43: User (Server login name)
4.  Option 43: Password (Server login password)
5.  Option 43: Filename (Firmware image)
6.  Option 43: MD5 Code (Firmware image MD5 code)
7.  Option 43: Filename (Configuration image)
8.  Option 43: MD5 Code (Configuration image MD5 code)
9.  Option 43: 16 Bits Option (Bit 0: Urgency and Bit 1~15: Reserved)

File server includes the following items:

1.  Firmware image
2.  Configuration image
3.  User account for the WLAN VoIP Residential Gateway

With auto-provisioning function, the WLAN VoIP Residential Gateway is setting-free which
means that it will automatically upgrade Firmware and download configuration file. Its
upgrading procedure is as follows:

1. Add the content of dhcpd.txt into dhcpd.conf. Then the ISC DHCP server will

recognize the WLAN VoIP Residential Gateway whenever it sends an IP address
request to the server. When ISC DHCP server receives the request, it will tell the
WLAN VoIP Residential Gateway how to get a new Firmware or configuration.

2. The WLAN VoIP Residential Gateway will compare the Firmware and configuration

MD5 code form of DHCP option every time when it communicates with DHCP server.

3. If MD5 code is different, the WLAN VoIP Residential Gateway will still upgrade the

Firmware or configuration. However, it will not be activated right after.

4. If the Urgency bit is set, the WLAN VoIP Residential Gateway will be reset to activate

the new Firmware or configuration immediately.

5. The WLAN VoIP Residential Gateway will retry for three times if the file is incorrect,

then it gives up until getting another DHCP ACK packet again.

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Summary of Contents for VRG-21412-WF-G SERIES

Page 1: ... PORT 100BASE FX WAN with 802 11 b g WLAN VoIP RESIDENTIAL GATEWAY VRG 21412 WF G RF SERIES 4 PORT 10 100BASE TX LAN 2 PORT FXS and 1 PORT 100BASE FX WAN with 802 11 b g WLAN VoIP RESIDENTIAL GATEWAY AND CATV RF RECEIVER Network Management User s Manual Version 0 91 ...

Page 2: ...erence will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Conne...

Page 3: ...fication Firmware Version Date 0 91 The initial version 0 99 41 2010 02 Note This User s Manual is written or revised according to the officially released Firmware version The content of this Manual is subject to change without prior notice ...

Page 4: ...rt Configuring 11 2 3 Information 14 2 3 1 System Information 14 2 3 2 Line Status 17 2 3 3 CDR 17 2 3 4 Syslog Table 18 2 4 Network Management 19 2 4 1 WAN Settings 19 2 4 2 LAN Settings 22 2 4 3 WLAN Settings 24 2 4 4 WLAN Access Policy 28 2 4 5 Static Route 29 2 4 6 NAT 30 2 4 7 Packet Filter 32 2 4 8 URL Filter 33 2 4 9 UPnP 34 2 4 10 DDNS 35 2 4 11 SNMP 35 2 5 Switch Management 36 2 5 1 Port ...

Page 5: ... Management 47 2 8 1 Voice Setting 47 2 8 2 Call Service 49 2 8 3 FXS Port Setting 50 2 8 4 FAX Setting 52 2 8 5 General Dialing Setting 52 2 8 6 Phone Book 54 2 8 7 Dialing Plan 55 2 9 CATV Setting Only available for RF module 56 2 10 Management 56 2 10 1 Administrator Account 56 2 10 2 System Log 57 2 10 3 Date Time 58 2 10 4 Ping Test 59 2 10 5 Save Restore 59 2 10 6 Factory Default 60 2 10 7 F...

Page 6: ...otocol have been employed to manage multimedia communication sessions so that users can use traditional analog telephones to make telephone calls to IP telephones over the Internet Calls received from IP telephones work exactly the same as you would expect from the traditional telephone service Other WLAN VoIP Residential Gateway s features are Voice Activity Detection VAD Silence Suppression whic...

Page 7: ...Panel with Cover Closed Figure 2 1 2 3 are the front rear and top views of WLAN VRG device with RF module Fig 2 1 Front Panel Fig 2 2 Rear Panel Fig 2 3 Top Front Panel with Cover Opened RF port for TV LED Fiber Connector Diag Button Power RJ 11 Connectors Phone RJ 45 Connectors RJ 11Connectors Phone RJ 45 Connectors Power Diag Button LED WAN SATUS POWER LED TV RF Output RF Fiber Link Power Ethern...

Page 8: ...FX Fiber port is located within the upper left corner of the front top of the WLAN VoIP Residential Gateway This port is primarily used for up link connection and will always operate at 100M Full Duplex mode Duplex SC or WDM Simplex SC types of connectors are available Use proper multimode or single mode optical fiber to connect this port with other Fast Ethernet Fiber port LAN 10 100Base TX RJ 45...

Page 9: ... VoIP Residential Gateway Connect the other end of the patch cable RJ 45 to the Ethernet port on other computers or Ethernet devices to form a small area network The LAN LED for that port on the front panel will light up Connect the Fiber cable provided from service provider to the WAN Fiber port on the back panel the WAN LED will light up and blinking if data are transmitting Connect telephone se...

Page 10: ...port link is up Blinking when traffic is present Speed Off Copper port link is off or link is in 10Mbps Green Copper port link is in 100Mbps Phone Green When the receiver is picked up Blinking when incoming calls are received With RF Module Installed Power Off System 12V DC power is down off Green System 12V DC power is ready Fiber port Off Lights off if the Fiber link is down because optical inpu...

Page 11: ...ame address If you connect to the outside world you must change all the arbitrary IP addresses to comply with those you have been allocated by the allocation organization If you do not do this your outside communications will not operate A subnet mask is a filtering system for IP addresses It allows you to further subdivide your network You must use the proper subnet mask for proper operation of a...

Page 12: ...e access a Login window appears like the following Enter the authorized user name and password then click Login The default user name is admin and without a password leave this field blank After a successful login the following WLAN VoIP Residential Gateway Main Menu screen appears NOTE If you login the VoIP Residential Gateway from WAN port Please add IP address and Http port number 8888 for remo...

Page 13: ...rt Configuration Bandwidth Control VLAN and IGMP settings 4 Switch Monitor To show the status of each WLAN VoIP Residential Gateway port 5 SIP Management To configure SIP settings including SIP Basic Advance Account Settings 6 VoIP Management To configure VoIP settings including Voice Phone Book Call server FAX and FXS port settings etc 7 CATV Settings To enable or disable CATV module Only availab...

Page 14: ...name for this WLAN VoIP Residential Gateway System Object ID View only field that shows a predefined System OID System S N View only field that shows the product s serial number Firmware Version View only field that shows the version of the product s firmware Host name View only field that shows the Host name of the WLAN VoIP Residential Gateway Date Time View only field that shows the system s cu...

Page 15: ... DHCP assigned of the WLAN VoIP Residential Gateway MAC Address View only field that shows the unique and permanent MAC address assigned to the WLAN VoIP Residential Gateway The factory default MAC address of your WLAN VoIP Residential Gateway can not be changed IP Address View only field that shows the unique IP address of WAN interface Subnet Mask View only field that specifies the subnet mask t...

Page 16: ... IP address of the primary DNS server which has been either assigned dynamically by your ISP or specified by the user DNS2 View only field that shows the assigned IP address of the secondary DNS server LAN MAC Address View only field that shows the unique and permanent MAC address in LAN assigned to the WLAN VoIP Residential Gateway Te factory default MAC address of your WLAN VoIP Residential Gate...

Page 17: ...hat shows whether the Port 1 and Port 2 have registered with the SIP server Click the Refresh button to update the current line status 2 3 3 CDR Select CDR from the Information menu then CDR screen page appears Call Rcv View only field that shows whether the user is a caller or a receiver Phone NO View only field that shows the phone number of incoming or outgoing calls Call Time View only field t...

Page 18: ...n incoming and outgoing call TEL Port View only field that shows which telephone port a call is used 2 3 4 Syslog Table Select Syslog Table from the Information menu then Syslog Table screen page appears Syslog Message The Syslog Table lists the latest 500 system log messages The user can select what information will be shown in this Syslog Table in System Log under the Management menu Click the R...

Page 19: ... appropriate mode by referring to the table below Mode Bridge NAT 0 Pure 5 port switch mode without VLAN and NAT functions 1 WAN LAN 1 LAN 2 4 2 WAN LAN 1 LAN 2 LAN 3 4 3 WAN LAN 1 LAN 2 LAN 3 LAN 4 4 WAN LAN 1 4 The default setting is Mode 4 NOTE After you switch between Bridge and NAT mode the ARP table must be cleared by using the arp d command under PC MS DOS Mode WAN Port IP assignment Choose...

Page 20: ... management station are on different networks or subnets The default value of this parameter is 0 0 0 0 which means no gateway exists and the network management station and WLAN VoIP Residential Gateway are on the same network Static IP MTU Static IP MTU Maximum Transmission Unit can be changed for optimal performance 1500 is the default MTU Static IP MRU Static IP MRU Maximum Receive Unit can be ...

Page 21: ...CP MRU You can change the DHCP Maximum Receive Unit for optimal performance 1492 is the default MRU Set DNS server Choose one of the two options Manually or Automatically Primary DNS Server If you choose Manually you need to specify the IP address of the DNS server Secondary DNS Server Specify the secondary DNS server Ping from WAN Blocking the Ping may provide some extra security from hackers Tic...

Page 22: ...g IP address and vice versa The DNS server is extremely important Without it you must know the IP address of a computer before you can access it The WLAN VoIP Residential Gateway uses a system DNS server in the order you specify here to resolve domain names for VPN DDNS and the time server Primary DNS Server Specify the primary IP address of the DNS server Secondary DNS Server Specify the secondar...

Page 23: ...If Enable is checked and a DHCP server is available on the network the WLAN VoIP Residential Gateway will automatically get the IP address from the DHCP server Otherwise Disabled the user needs to specify the IP address Subnet Mask and Gateway When DHCP is used the following items need to be set as well Start IP Address The starting IP address which can be assigned to this WLAN VoIP Residential Ga...

Page 24: ...P server this view only field will display Dynamic only Hostname View only field that shows the DHCP client s computer name MAC View only field that shows the DHCP client s MAC IP View only field that shows the DHCP client s IP address assigned by the DHCP server Expire Time View only field that shows the DHCP client s expire time 2 4 3 WLAN Settings Select WLAN Settings from the Network Managemen...

Page 25: ...ntial Gateway 1 Open No authentication is required By default open access is enabled to grant access to clients trying to connect to the wireless network However this will expose network to tremendous security risks Encryption Type Select NONE if you prefer no encryption with your data otherwise choose WEP as your encryption type WEP Wired Equivalent Privacy is based on IEEE 802 11 standard and us...

Page 26: ...this Wireless Router otherwise the connection will not be established Key 1 4 Enter values for Key 1 to Key 4 with either HEX or ASCII characters If you choose 64 bit W EP as your WEP encryption length Enter 5 ASCII characters or 10 hexadecimal characters 0 9 A F for each Key 1 4 If you choose 128 bit WEP enter 13 ASCII characters or 26 hexadecimal characters 0 9 A F fro each Key 1 4 3 WPA WPA sta...

Page 27: ...P or AES WPA Pre Shared Key Enter the pre shared key value which can be between 8 and 63 characters long or 64 HEX characters long Symbols and spaces can also be used 5 WPA2 WPA2 based on 802 11i provides stronger wireless security than WPA to protect your network from malicious intruders Encryption Type Choose either TKIP or AES Radius Server IP Enter the IP address of your Radius server Radius S...

Page 28: ...LAN Access Policy Setting screen page appears Access Policy To disable Access Policy function or to select Allow all or Reject all accesses from the control list Access Control List Enter MAC addresses with the AA AA AA AA AA AA format that you would like to add to the access control list A total of 50 MAC addresses can be added to the access control list Insert to list Once you have entered a MAC...

Page 29: ...twork Management menu then Static Route screen page appears Enable Tick the checkbox to turn on this static route rule Type Specify the Type to be used with the WLAN VoIP Residential Gateway IP address The types available are listed in the pull down menu with following options NET IP address Host Host name Target Specify the IP network address or Host name of the final destination Routing is alway...

Page 30: ...AN VoIP Residential Gateway you can set the client up for unrestricted Internet access Adding a client to the DMZ Demilitarized Zone may expose your local network to a variety of security risks Therefore enable this function when necessary DMZ Enable DMZ if checked DMZ LAN IP Enter the IP address that you would like to open all ports to DDOS Protection Tick the checkbox to enable WLAN VoIP Residen...

Page 31: ...ually be connected The packets will simply be forwarded through the WLAN VoIP Residential Gateway Enable Tick the checkbox to enable this rule WAN Port Specify the WAN port number 1 65535 Protocol Choose TCP UDP or Both as your desired protocol LAN IP Specify the LAN IP 192 168 0 xxx where xxx is editable LAN Port Specify the port LAN port number 1 65535 Action Insert To insert a new Virtual Serve...

Page 32: ...IP address Dest Port Enter the UDP or TCP destination port number 1 65535 Protocol Select the filtering protocol from pull down menu Block Select the block function from pull down menu Always always block Schedule follow Day and time field setting Action Insert To insert a new filter to the WLAN VoIP Residential Gateway Change To modify the current setting LAN Enable LAN port packet filter if chec...

Page 33: ...field setting Action Insert To insert a new filter to the WLAN VoIP Residential Gateway Change To modify the current setting 2 4 8 URL Filter This feature allows you to create a list of websites or client IP address that you want to either allow or deny users access Select URL filter from the Network Management menu then URL filter screen page appears Enable Global URL filter enable if checked Ena...

Page 34: ...PNP provides compatibility with networking equipment software and peripherals UPnP Map Remote Host View only field that shows the remote IP address whose packets will be transferred to the internal client External Port View only field that shows which port on WLAN VoIP Residential Gateway will be allowed to transfer packets to the internal client Internal Client View only field that shows the inte...

Page 35: ...one of the supported DDNS providers Select DDNS from the Network Management menu then DDNS screen page appears DDNS Enable DDNS global setting if checked DDNS Server type Select one of the DDNS registration organizations form those listed in the pull down menu Available servers include Dyn Dns org and no ip com DDNS User name Enter the username given to you by your DDNS server DDNS password Enter ...

Page 36: ...elect Switch Management from the Main Menu the sub items Port Configuration Bandwidth Control Configure VLAN and IGMP Snooping will show up 2 5 1 Port Configuration Select Port Configuration from the Switch Management menu then Port Configuration screen page appears Port State Enable or disable the status of each port Port Type Each port s Auto Negotiation configuration Port Speed Each port s spee...

Page 37: ...guration screen page appears Bandwidth Range There are 2 bandwidth range in pull down menu for selection 64K 100M Min unit size 128K and 16K 32M Min unit size 16K 2 5 2 1 Egress Bandwidth Control There are five modes in the pull down menu for selection OFF By Port By TOS By 802 1p By App Except OFF mode the advanced configurations will be displayed when the appropriate mode is selected according t...

Page 38: ...S field of every IP Packet from the pull down menu The TOS includes TOS 0 to TOS 63 and the priority queue includes Q0 Q1 Q2 and Q3 Reserve BW Specify reserved Bandwidth of Queue 0 Queue 3 The bandwidth has to be the multiple of 256 2 5 2 1 3 By 802 1p IEEE 802 1p is a standard that provides traffic class expediting and dynamic multicast filtering Essentially it provides a mechanism for implementi...

Page 39: ...lied No The total of eight rules can be set up The comparison process will start from rule No 1 to No 8 If the rule No 1 is fulfilled then the assigned queue and reserved bandwidth will be applied If not each rule will be checked one by one Compare Four options are available for selection Doesn t Compare This rule is disabled Source Use TCP source port to compare Destination Use TCP destination po...

Page 40: ...LAN4 ports and WAN port Enabler Disable or Enable Bandwidth Control function of LAN 1 LAN 4 and WAN Bandwidth Specify Bandwidth of LAN 1 to LAN 4 and WAN The rule of bandwidth number is as below 1 If the bandwidth in LAN 1 LAN 4 and WAN is from 0 to 32767 the actual number will be truncated and revised as the multiple of 16 2 If the bandwidth in LAN 1 LAN 4 and WAN is from 32768 to 99999 the actua...

Page 41: ...you select your desired NAT Bridge Mode in WAN Settings the settings in VLAN 1 and VLAN2 will be changed accordingly and automatically P Bit Select a priority value from the pull down menu for this VLAN rule Port 1 CPU T Tag a member in this VLAN rule U Un tag a member in this VLAN rule Not a member in this VLAN rule In every VLAN forwarding rule CPU is included as a member U Un tag which means th...

Page 42: ... the network When it hears an IGMP report from a host for a given multicast group it adds the host s port number to the multicast list for that group And when it hears an IGMP Leave it removes the host s port from the table entry IGMP snooping can effectively reduce multicast traffic from streaming and other bandwidth intensive IP applications This gateway using IGMP snooping will only forward mul...

Page 43: ...nly field that shows whether each port is a copper port or fiber port Port State View only field that shows whether each port is enabled or not Link State View only field that shows whether each port is link up or down Speed Mbps View only field that shows the speed of the link up port s Duplex View only field that shows whether the link up port is in full or half duplex mode Flow Control View onl...

Page 44: ...seconds to refresh SIP The default setting is 1800 seconds Media Port Start Specify the media port Start number for RTP Media Port End Specify the media port End number for RTP RTCP Specify the RTCP port number Transport Choose either UDP or TCP The default SIP transport type is UDP SIP Time Interval Specify SIP time interval in milliseconds The default setting is 500 msec Time out for Invite Spec...

Page 45: ...ation Password Specify an authentication password for Port 1 or Port 2 Confirmed Password Re type the authentication password to confirm MWI MWI stands for Message Waiting Indication To enable your phone to give you a message waiting beeping dial tone when you have one or more voice messages Your VoIP service provider must have a messaging system that sends message waiting status SIP packets as de...

Page 46: ...erver address Register Server Port Specify the registration server port Proxy Address Specify the proxy address of the SIP server Proxy Port Specify the proxy port of the SIP server Use Outbound Proxy Tick the checkbox to use outbound proxy Outbound Proxy Address When outbound proxy is enabled you need to further specify the IP address of SIP outbound proxy server Outbound Proxy Port When outbound...

Page 47: ...st priority On the other hand code priority 9 will give the value selected the lowest priority G 723 Rate Choose G 723 Rate from the pull down menu 6 3Kbps or 5 3Kbps iLBC mode Choose iLBC mode from the pull down menu The default setting is 30 msec Packet Length Choose Packet Length from the pull down menu The default setting is 20 msec DTMF Method Choose DTMF Method from the pull down menu There ...

Page 48: ... Voice Active Detector Select a mode from the pull down menu The default setting of this function is disabled Line Echo Canceller Tail Length Select Tail Length for line echo cancellation from the pull down menu The echo canceller removes your echo from the returning audio stream without removing responder s voice Acoustic Echo Canceller Tail Length Select Tail Length for acoustic echo cancellatio...

Page 49: ...ing call this is the time that the second caller will wait before disconnecting the waiting call NOTE When Call Waiting function is enabled Call Forward function will be deactivated In other words if you enable Call Waiting function and set up Call Forward on Busy URI and Call Forward on NoAnswer URI at the same time the waiting call will be disconnected instead of forwarding to the specified numb...

Page 50: ...lways URI Specify the account user name All incoming calls are always forwarded Call Forward on NoAnswer Timeout Specify No Answer timeout When time is out the call will be forwarded to the specified number Do Not Disturb When enabled all incoming calls will be rejected the phone will not ring Hot Line Tick the checkbox to enable Hot Line function A call will be automatically dialed to the designa...

Page 51: ...ce Eight Ring Impedance types are available from the pull down menu Hook Flash Detect Upper Bound Specify the maximum time to detect hook flash Hook Flash Detect Lower Bound Specify the minimum time to detect hook flash Voice Tx Level Select the transmitting sound level from the pull down menu The corresponding value for each level can be found in the table below Voice Rx Level Select the receivin...

Page 52: ...e to send fax messages as UDP or TCP IP packets This provides better quality however the peer device must use T 38 as well Voice and T 38 Relay When this option is selected voice will be transmitted with the defined CODEC priority and fax messages will be sent with T 38 Voice and Fax Pass Through When this option is selected voice will be transmitted with the defined CODEC priority and fax message...

Page 53: ... presses FlashHook New Call key Select the key from the drop down menu When hook flash is pressed on a call the new call key will be activated and a new call will be dialed by pressing the selected key s Three Way Conference key Select the key from the drop down menu When hook flash is pressed on a call the three way conference key will be activated and a three way conference call will be initiate...

Page 54: ...ng pre programmed codes The maximum of 10 speed dial entries can be assigned Phone Number Enter the SIP number for an associated speed dial Note Enter the contact description Click the Insert button to add this new rule to the URI Phone book below Click the Edit button on the entry that you would like to make some changes When the selected entry is highlighted in blue users can make some changes b...

Page 55: ... Phone Book screen page appears Phone NO Identify a specific digit do not use Length of NO Specify the minimum and maximum digits Delete Length Specify the number of digits that can be entered If digits you enter are more than specified the extra digits will be ignored Prefix No Match any single digit that is dialed Dest IP DNS Specify Destination IP DNS address Port Specify the port number Click ...

Page 56: ...ow up 2 10 1 Administrator Account Select Administrator Account from the Management menu then Administrator Account screen page appears Administrator Name Specify the authorized user login name up to 31 alphanumeric characters The default value is admin Administrator Password Enter the desired user password Confirm Password Re type the desired user password to confirm NOTE When you set up your new...

Page 57: ...ge appears Syslog Tick the checkbox to enable System Log function Log Service When certain service checkboxes are ticked you are able to view their system log messages in Syslog Table under the Information menu Syslog Level There are eight syslog levels for users to choose from Level 1 Emergent actions that must be taken immediately Level 2 Alert conditions Level 3 Critical conditions Level 4 Erro...

Page 58: ...the user NTP Time Server Set the local time using Network Time Protocol NTP automatically Time zone Select the appropriate time zone from the pull down menu Date Value Setting Select the value from the year month and day pull down menu Time Value Setting Select the value from the hour minute and second pull down menu NTP Update Interval Specify how frequent to update system clock The default setti...

Page 59: ... and click Ping Ping Destination Specify the Ping Destination IP address 2 10 5 Save Restore Select Save Restore from the Management menu then Save Restore screen page appears Save Save device configurations to a local file The default filename is metafile dat Restore Upload a local file to restore the WLAN VoIP Residential Gateway configurations When the restore process is completed a pop up wind...

Page 60: ...oIP Residential Gateway can update firmware version by using local hard drive of the computer Click on Browse to locate the firmware file to be used for update Manual Firmware Upgrade This WLAN VoIP Residential Gateway can upgrade firmware version by using local hard drive of the computer or via FTP For manual upgrade click on the Browse button to locate the firmware file to be used for the update...

Page 61: ...1 FTP User Name Specify the FTP login user name FTP User Password Specify the FTP login password 2 11 Save Logout Select Save Logout from the Main Menu then Save Logout screen page appears Click the Save button to save current configuration settings Please note that all unsaved configurations will be lost when the power is off Click the Logout button to logout from the web management Click the Reb...

Page 62: ...nd memory resources required for the complete network management SNMP Manager is often composed by desktop computer work station and software program such as HP OpenView Totally 4 types of operations are used between SNMP Agent Manager to change MIB information These 4 operations all use the UDP IP protocol to exchange packets GET This command is used by an SNMP Manager to monitor managed devices ...

Page 63: ... for the WLAN VoIP Residential Gateway With auto provisioning function the WLAN VoIP Residential Gateway is setting free which means that it will automatically upgrade Firmware and download configuration file Its upgrading procedure is as follows 1 Add the content of dhcpd txt into dhcpd conf Then the ISC DHCP server will recognize the WLAN VoIP Residential Gateway whenever it sends an IP address ...

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