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NOTE: 

 If you

 can not

 log into the configuration page by using the default password, please check with 

the VoIP service provider.  It is most likely the VoIP service provider has provisioned the device and 
configured for you therefore the password has already been changed. 
 
After a correct password is entered in the login screen, the embedded web server will respond with the 
Configuration pages which are explained in details below. 

 

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MAC Address 

The device ID, in HEX format.  This is very important ID for ISP troubleshooting. 

IP Address 

This field shows IP address of the HT-488.  

Product Model 

This field contains the product model info, such as HT-488. 

Software Version 

Program:

 This is the main software release. 

This number is always used for firmware 

upgrade.

  Current release is 1.0.3.64 

Bootloader: 

current version is 1.1.0.1. 

HTML:  

 current version 1.0.3.64. 

VOC:

   current version is 1.0.0.13 

System Uptime 

This shows system up time since last reboot. 

Registered 

Whether the unit is registered to service provider’s server. 

PPPoE Link Up 

This shows whether the PPPoE is up if connected to DSL modem 

NAT  

This shows what kind NAT the HT386 is connected to.  It is based on STUN protocol. If 
the detected NAT is symmetric NAT, STUN will not work and Outbound Proxy needed 
to make HT386 functioning correctly. 

 
 

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End User Password 

This contains the password for end user to access the Web Configuration Menu. User 
can put new password here. This field is case sensitive with maximum of 25 characters 

Web Port 

This is the device’s internal HTTP server port. Default is 80. 

 IP Address 

  If DHCP mode is enabled, then all the field values for the Static IP mode are not 

used (even though they are still saved in the Flash memory.) The HT386 will acquire 
its IP address from DHCP in the network. 

  PPPoE settings is usually for DSL/ADSL modem users. The HT will attempt to 

establish a PPPoE session if PPPoE account is set.  

  If Static IP mode is selected, the IP address, Subnet Mask, Default Router IP 

address, DNS Server 1 (mandatory), DNS Server 2 (optional) fields need to be 
configured. 

DHCP hostname 

This option specifies the name of the client. This field is optional but may be required 
by some Internet Service Providers. Default is blank. 

DHCP domain 

This option specifies the domain name that client should use when resolving 
hostnames via the Domain Name System. Default is blank. 

DHCP vendor class ID 

This option is used by clients and servers to exchange vendor-specific information. 
Default is blank. 

Time Zone 

This parameter controls how the displayed date/time will be adjusted according to the 
specified time zone. 

Daylight Savings Time 

This parameter controls time displayed in daylight savings time.  If set to “Yes”, then 
the displayed time will be 1 hour ahead of normal time.  
 
The “Optional Rule” is configured to automatically adjust the Daylight Savings Time 
(DST) based on the rule set in this field.  Rule Syntax:  

 start-time;end-time;saving 

 

Both start-time and end-time have the same syntax: 

Grandstream Networks, Inc. 

HT488 User Manual 

Page

 

19 of 33  

 

Firmware 1.0.3.64 

Last Updated: 4/2007

 

Summary of Contents for HT-488

Page 1: ...Grandstream Networks Inc HT 488 Dual FXS FXO Port Analog Telephone Adaptor HT 488 User Manual www grandstream com Firmware Version 1 0 3 64 support grandstream com...

Page 2: ...RATION GUIDE 17 CONFIGURING HT488 THROUGH VOICE PROMPT 17 DHCP MODE 17 STATIC IP MODE 17 TFTP SERVER ADDRESS 17 FIRMWARE SERVER IP ADDRESS 17 CONFIGURATION SERVER IP ADDRESS 17 UPGRADE PROTOCOL 17 FIR...

Page 3: ...FINITIONS 19 TABLE 9 HT488 ADVANCED SETTINGS PAGE DEFINITIONS 21 TABLE 10 HT488 FXS PORT SETTINGS PAGES DEFINITIONS 22 TABLE 11 HT488 FXO PORT SETTINGS PAGES DEFINITIONS 24 TABLE 12 HT488 CALL PROGRES...

Page 4: ...unsupported power adaptors WARRANTY If you purchased your HT488 from a reseller please contact the company where you purchased your phone for replacement repair or refund If you purchased the product...

Page 5: ...e FXO port can have a separate SIP account This is a key feature of HT488 as it supports simultaneous calls on both the FXS port and FXO port Telephone calls can be originated from or terminated on th...

Page 6: ...e cable to a wall jack 3 Insert the Ethernet cable into the WAN port of HT488 and connect the other end of the Ethernet cable to an uplink port a router or a modem etc 4 Connect a PC to the LAN port o...

Page 7: ...devices including behind firewall NAT Syslog support DHCP Server Client Yes Audio Features Advanced Digital Signal Processing DSP Dynamic negotiation of codec and voice payload length Support for G 72...

Page 8: ...telephone port PSTN Port 1x PSTN pass through and life line port Button 1 LED Green and Red color Universal Switching Power Adaptor Input 100 240VAC 50 60 Hz Output 5VDC 1200mA UL certified Dimension...

Page 9: ...05 DNS Server IP address Same as menu 02 07 Preferred Vocoder Press 9 to move to the next selection in the list PCM U PCM A G 723 G 729 G 726 iLBC 12 WAN Port Web Access Press 9 to toggle between enab...

Page 10: ...N number such as 6266667890 you may need a prefix number followed by the phone number Please check with your VoIP service provider for this information If your phone is assigned a PSTN like number suc...

Page 11: ...e calls CALL TRANSFER The HT488 supports both blind transfer and attended transfer Blind Transfer This function is applicable using the FXS port for VoIP calls only Assume that parties A and B are in...

Page 12: ...r old model phones to get a dial tone 2 A dials 23 then C s number then or wait for 4 seconds 3 If C answers the call then A presses FLASH to bring B C in the conference 4 If C does not answer the cal...

Page 13: ...f the pin code is invalid the continuous tone is played to prompt caller to enter the pin code again The user may try up to 3 times to enter a correct pin code After three 3 tries the HT488 hangs up 3...

Page 14: ...When a PIN is configured for VOIP to PSTN call flow the VoIP device that calls into the HT488 FXO account needs to configure RFC2833 or SIP Info for DTMF digit transmission The special continuous ton...

Page 15: ...call will be forwarded to another VoIP number previously configured in the field Forward to VoIP This parameter can also be found under BASIC SETTINGS configuration page FAX SUPPORT HT488 supports FAX...

Page 16: ...91 Cancel Busy Call Forward To cancel Busy Call Forward dial 91 and get the dial tone then hang up 92 Delayed Call Forward To use this feature dial 92 wait for the dial tone Then dial the forward numb...

Page 17: ...choose firmware upgrade mode There are three options 1 always check 2 check when pre suffix changes and 3 never upgrade CONFIGURING HT 488 WITH WEB BROWSER HT488 ATA has an embedded Web server that w...

Page 18: ...the user will see a log in screen There are two default passwords for the login page User Level Password Web pages allowed End User Level 123 Only Status and Basic Settings Administrator Level admin B...

Page 19: ...on Menu User can put new password here This field is case sensitive with maximum of 25 characters Web Port This is the device s internal HTTP server port Default is 80 IP Address If DHCP mode is enabl...

Page 20: ...ving is 60 minutes Cloned WAN MAC Address Allow the user to set a specific MAC address Set in Hex format LAN Subnet Mask Sets the LAN subnet mask Default value is 255 255 255 0 LAN DHCP Base IP Base I...

Page 21: ...rver Path IP address or domain name of firmware server Config Server Path IP address or domain name of configuration server Firmware File Prefix Default is blank If configured HT 488 will request the...

Page 22: ...nd decided by ITSP Authentication Password Password for ATA to register to SIP servers of ITSP Purposely blank out once saved for security Maximum length is 25 Name SIP service subscriber s name which...

Page 23: ...mechanism Usually ITSP will provide these settings If this field is set to Yes then the device will periodically every Keep alive interval send a dummy UDP packet to the SIP server to pinhole the NAT...

Page 24: ...Nortel Broadsoft etc Onhook Threshold Default setting is 800ms If the flash event is longer than the settings it is processed as on hook event FXS Impedance Selects the impedance of the analog teleph...

Page 25: ...screen to confirm that the changes have been saved Click Reboot to save all changes Please reference the GUI pages using the following link http www grandstream com user_manuals GUI GUI_HT488 rar Reb...

Page 26: ...cols to communicate with each individual HT488 for firmware upgrade remote reboot etc Grandstream provide GAPS Grandstream Automated Provisioning System service to VoIP service providers It could be e...

Page 27: ...code image will then be saved into the Flash If TFTP HTTP fails for any reason e g TFTP HTTP server is not responding there are no code image files available for upgrade or checksum test fails etc the...

Page 28: ...POSTFIX Firmware Prefix and Postfix allows device to download the firmware name with the matching Prefix and Postfix This makes it the possible to store ALL of the firmware with different version in o...

Page 29: ...will automatically reboot and restore factory settings Encoding the MAC Address 1 Locate the MAC address of the device It is the 12 digit HEX number on the bottom of the unit 2 Key in the MAC address...

Page 30: ...ate while sub sampling DECT Digital Enhanced Cordless Telecommunications A standard developed by the European Telecommunication Standard Institute from 1988 governing pan European digital mobile telep...

Page 31: ...echo Speech compression techniques and digital processing delay often contribute to echo generation in telephone networks H 323 A suite of standards for multimedia conferences on traditional packet s...

Page 32: ...ed periodically to transmit control packets to participants in a streaming multimedia session The primary function of RTCP is to provide feedback on the quality of service being provided by RTP RTP Re...

Page 33: ...tivity Detection or Voice Activity Detector is an algorithm used in speech processing wherein the presence or absence of human speech is detected from the audio samples VLAN A virtual LAN known as a V...

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