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HUAWEI HG256s
User Guide

5 Configuration of VoIP

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd

5-1

5

Configuration of VoIP

The HG256s supports voice services based on the Session Initiation Protocol (SIP).

The SIP is an application layer protocol used to create, modify, or end multimedia
sessions.

5.1 Networking

Figure 5-1

Network model of voice services

HG256s

Telephone

BRAS

Computer

IP

Proxy

Server

Registrar

Server

Equipment

Description

Proxy Server

A server that forwards requests or responses in place of the client

Registrar Server

A server that receives registration requests

BRAS

Broadband Remote Access Server

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Содержание HG256s

Страница 1: ...eters 4 1 4 1 Setting the WLAN Parameters of the Router 4 1 4 2 Setting Up a Wireless Connection Manually 4 1 4 3 Setting Up a Wireless Connection by the WPS Button 4 3 5 Configuration of VoIP 5 1 5 1 Networking 5 1 5 2 Configuration Introduction 5 2 6 Configuring Frequently Used Functions 6 1 6 1 Enabling or Disabling the WLAN Function 6 1 6 2 Improving the Security of a WLAN 6 2 6 2 1 Hiding the...

Страница 2: ...nfidential Copyright Huawei Technologies Co Ltd 7 Maintenance Guide 7 1 7 1 Changing the Password of the Web based Configuration Utility 7 1 7 2 Changing the Login IP Address of the Web based Configuration Utility 7 2 7 3 Restoring Default Settings 7 3 8 FAQs 8 1 ...

Страница 3: ...r Guide Figures Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd iii Figures Figure 3 1 Cable connections 3 1 Figure 5 1 Network model of voice services 5 1 Figure 6 1 Home storage connection 6 8 ...

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Страница 5: ...ei Proprietary and Confidential Copyright Huawei Technologies Co Ltd v Tables Table 2 1 Interfaces and buttons of the HG256s 2 1 Table 2 2 Indicators of the HG256s 2 2 Table 6 1 Rules for setting the password used for accessing a WLAN 6 4 ...

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Страница 7: ...ecting and disconnecting cables stop using the device and then disconnect it from the power supply Ensure that your hands are dry during operation Keep the device far from sources of heat and fire such as a heater or a candle Keep the device far from electronic appliances that generate strong magnetic or electric fields such as a microwave oven or a refrigerator Place the device on a stable surfac...

Страница 8: ...ases or explosives Accessory Requirements Use only the accessories supplied or authorized by the device manufacturer Otherwise the performance of the device may get affected the warranty for the device or the laws and regulations related to telecommunications terminals may become null and void or an injury may occur Do not use the power adapter if its cable is damaged Otherwise electric shocks or ...

Страница 9: ... not trample pull or overbend any cable Otherwise the cable may get damaged causing malfunction of the device Before cleaning the device stop using it power it off and then remove all the cables connected to it Use a clean soft and dry cloth to clean the device shell Do not use any cleaning agent or spray to clean the device shell ...

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Страница 11: ... 2 2 1 Interfaces and Buttons Table 2 1 describes the interfaces and buttons of the HG256s Table 2 1 Interfaces and buttons of the HG256s Interface or Button Description POWER Interface used to connect the power adapter to the HG256s RESET To restore the factory settings of the HG256s power on the HG256s press and hold the RESET button for at least 3s and then release the button NOTE When the fact...

Страница 12: ...RNET Green On A connection is set up between the Internet and the WAN interface of the HG256s but no data is being transmitted on the WAN interface Red On A physical connection is set up but the HG256s is not connected to the Internet Off No network cable is connected to the WAN interface or the HG256s is powered off WLAN Green Blinking The WLAN function is enabled and data is being transmitted on...

Страница 13: ... Green On A connection is set up between the corresponding LAN interface of the HG256s and an Ethernet device such as a PC through a network cable but no data is being transmitted Off No connection is set up between the corresponding LAN interface of the HG256s and an Ethernet device such as a PC USB Green Blinking The USB connection is successfully established and data is being transmitted Green ...

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Страница 15: ...256s you also need to pay attention to the following precautions for a better performance of the WLAN Place the HG256s in an open space and ensure that no obstacle such as a cement or wooden wall exists between your PC and the HG256s Otherwise the transmission of radio signals on the WLAN is affected Ensure that the HG256s and your PC are far from the electric appliances such as a microwave oven t...

Страница 16: ... IP address automatically By default the DHCP function of the HG256s is enabled In this case the HG256s assigns an IP address to your PC automatically and you do not need to configure the IP address of your PC Step 2 Start the Internet Explorer on your PC and ensure that the Internet Explorer does not use any proxy server Take the Internet Explorer 6 0 as an example To ensure that the Internet Exp...

Страница 17: ...Use the wireless configuration software provided by the operating system of your PC If your PC runs on Windows XP you can use the Wireless Zero Configuration that is provided by Windows XP to set up a wireless connection between your PC and the HG256s Takes Windows XP as an example to set up a wireless connection between your PC and the HG256s manually do as follows Step 1 Record the WLAN name The...

Страница 18: ...ut menu 3 In the Wireless Network Connection Properties dialog box select Wireless Networks 4 Select Use Windows to configure my wireless network settings 5 Click View Wireless Networks 6 In the Wireless Network Connection dialog box select the WLAN with the same name as the WLAN name that you have recorded from the WLAN list and then click Connect in the lower right corner of the dialog box Conne...

Страница 19: ...ompted For details see section 6 2 3 Using Secure Encryption The WPS function can be used only when the security mode of the WLAN is set to WPA PSK WPA2 PSK or WPA PSK WPA2 PSK Step 2 Press the WPS button of the HG256s to enable the HG256s to enter the WPS negotiation state The WLAN indicator of the HG256s blinks If the WLAN indicator does not blink it indicates that the WPS function cannot be ena...

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Страница 21: ...tocol SIP The SIP is an application layer protocol used to create modify or end multimedia sessions 5 1 Networking Figure 5 1 Network model of voice services HG256s Telephone BRAS Computer IP Proxy Server Registrar Server Equipment Description Proxy Server A server that forwards requests or responses in place of the client Registrar Server A server that receives registration requests BRAS Broadban...

Страница 22: ...ei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 5 2 Configuration Introduction The VoIP parameter has been configured with the delivered HG256s In general this parameter does not need to be configured and please keep the default settings ...

Страница 23: ...us you can enable or disable the WLAN function as required Configuration Example The WLAN function is enabled by default To disable the WLAN function do as follows Step 1 Log in to the Web based configuration utility Step 2 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed Step 3 Clear Enable WLAN End To enable the WLAN function select Enable WLAN and then click Sub...

Страница 24: ...AN is reduced The HG256s provides the function of hiding the SSID After this function is enabled the wireless signals transmitted from the HG256s do not carry the SSID Thus it is not possible for unauthorized people to obtain the SSID from the wireless signals In addition the user of a PC needs to enter the correct SSID manually to add the PC to the WLAN Thus the security of the WLAN is increased ...

Страница 25: ... a WLAN you need to enter the SSID of the WLAN manually when you use a PC to access the WLAN If you enter a wrong SSID the PC cannot connect to the WLAN Therefore the security of the WLAN can be improved if the SSID is difficult to be predicted An SSID consists of 1 32 American Standard Code for Information Interchange ASCII characters When the HG256s is delivered the SSID is preset You can find t...

Страница 26: ... a certain security mode it cannot be connected to the WLAN in this security mode If you use the recommended security and encryption modes this problem can be avoided The WPS function can be used only when the security mode is set to WPA PSK or WPA2 PSK AES Advanced Encryption Standard Table 6 1 lists the rules for setting the password used for accessing a WLAN in different security modes Table 6 ...

Страница 27: ...re state You can prohibit certain PCs from being connected to the WLAN or allow only specified PCs to be connected to the WLAN thus preventing unauthorized users from accessing the WLAN Through the wireless MAC filtering function of the HG256s the preceding functions can be used after you enter the MAC addresses of the PCs to be controlled The wireless MAC filtering function can be implemented in ...

Страница 28: ...whitelist and allow only your laptop to be connected to the WLAN do as follows Step 1 View and record the MAC address of the laptop Take the Windows XP operating system as an example To view the MAC address of a PC do as follows 1 Choose Start Run 2 In Open enter cmd Then press Enter 3 In the displayed command line window enter ipconfig all Then press Enter Multiple lines of information is display...

Страница 29: ...access a portable storage device do as follows Step 1 Configure parameters for the FTP server By default the FTP server is enabled the name and password of the FTP is ftp and the port number for FTP server is 21 You can just keep all the default settings and skip this step To change the default settings and configure new parameters for the FTP server do as follows 1 Log in to the Web based configu...

Страница 30: ... Server To access the portable storage device by the FTP server do as follows 1 Launch the Internet Explorer and enter FTP 192 168 1 1 2 In the Login dialog box enter the user name and the password for logging in to the FTP server the default user name and password are ftp and then click Login 3 After the password is verified you can read and write the contents on the portable storage device conne...

Страница 31: ...he option of allowing a PC to be connected to the HG256s through a wireless network Configuration Example For example you have bought a PC for your child who is in a primary school To restrict the Internet access period of the child to from 19 00 to 20 00 in each evening and to protect your PC from being restricted you can use the blacklist mode of the MAC address filtering function Suppose the MA...

Страница 32: ...2 Set the following parameters based on rule 1 Rule name Internet access is prohibited before 19 00 in the evening Source MAC address 00 11 09 11 04 DD Start time 00 00 End time 18 59 Effective day Select from Monday to Sunday Step 13 Click Submit Step 14 Click Step 15 Set Time control to Enable Step 16 Set the following parameters based on rule 2 Rule name Internet access is prohibited after 20 0...

Страница 33: ...itelist Users can access only the Web sites in the filtering rule list You can select either of the preceding modes for the URL filtering function Configuration Example For example the contents of the Web site whose address is www yyy com are not suitable for browsing To prevent your family from browsing this Web site you can use the URL filtering function and create a blacklist rule used for proh...

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Страница 35: ...default settings of the HG256s by pressing and holding the RESET button for more than 3s In this case the login password of the Web based configuration utility is restored to admin When the default settings are restored your customized data is lost Therefore use the RESET button with caution Configuration Example For example the password is admin To change the password to MyWebPassword do as follo...

Страница 36: ...d the IP address of the LAN interface of the HG256s are in the same network segment to enable the computer to access the Web based configuration utility In this case you need to enter the new IP address in the address bar Configuration Example For example the login IP address of the Web based configuration utility is 192 168 1 1 and the subnet mask is 255 255 255 0 To change the IP address to 192 ...

Страница 37: ...ing the Web based configuration utility Configuration Example For example you have changed the login password of the Web based configuration utility and you have forgotten the login password You can press the RESET button to quickly restore the default settings of the HG256s When the HG256s is powered on press and hold the RESET button for more than 3s and then release it Then the HG256s automatic...

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Страница 39: ...browser does not use a proxy server Step 3 Ensure that you have entered the correct user name and user password that are used for accessing the HG256s configuration page If the problem persists restore the default settings of the HG256s End Q 4 Does the WPS function have any special requirement on the wireless encryption settings of the HG256s The WPS function can be used only when the security mo...

Страница 40: ...the WLAN function see the manual of the HG256s Step 3 See the description of the wireless network adapter that is installed on the computer and check whether the wireless network adapter supports the 802 11b g n protocols If the wireless network adapter does not support the 802 11b g n protocols replace it with the network adapter that supports the protocols Step 4 Check whether the driver for the...

Страница 41: ...our computer is far from your router the transmission effects of the WLAN are affected Step 4 Place your router and computer in another direction Step 5 Do not use your router to access a WLAN during thunderstorms End Q 8 What can I do if the WLAN of the HG256s is not encrypted and the computer cannot access the WLAN Step 1 Delete the settings of wireless network connections from your computer Tak...

Страница 42: ...s will absorb the radio signal to generate signal attenuation The more walls or objects between the computer and HG256s the weaker of wireless signal and the lower of the rate Distance attenuation the wireless signal propagation in space is impacted by distance Beyond a certain range the wireless network connection speed will be reduced or even cannot receive the WLAN signal Interference wireless ...

Страница 43: ... to connect to the HG256s Q 13 What is the recommended encryption method to secure the wireless function of the HG256s For the WLAN encryption method it is recommended to set the security mode to WPA2 PSK and encryption to AES In advance please ensure that the wireless adapter of your computer can support WPA2 PSK security and AES encryption Q 14 How can I connect a 3rd party wireless router behin...

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