20 Most Recent
Grandstream HandyTone 486 ATA (HTATA486) Questions & Answers
My handy tone-486 box keeps flashing red every 3
Lifted this straight from the manual:
Button flashes every 4 seconds
(if SIP server is configured)
HT–486 fails to register
So basicly, that means your HandyTone 486 ATA fails to register with the SIP-server. That means you either have not recieved your IP-tele yet, or that your ISP have failed to register you.
A wrong pass word was entered and the devise was
you would need to factory reset the adapter if you dial *** then 02 it will give you ip address now if you put the ip address into your main web browser it will pull up a configuration page for your handy tone you will see a tab on the left hand side that says reset click that and factory reset the device this should wipe out all current configurations on tht device
Password for 486
Remove the battery from the mother board.
Jumper the CMOS to discharge it. You may
want to check you Mother Board manual, to
see which jumper it is. Some require you to
turn the Mother Board BACK ON for two seconds. (It will NOT come up, just will
discharge the CMOS and the battery will NOT
be there to replace the energy, so everything
You will know if you have done it right, when
you boot up again, the BIOS will NOT recognize the hard disk (need to set it up
again), the date will be wrong (set it up again also) and the floppy drive will not
be recognized (new setup).
But then try your password. It should let
you right in then.
Let me know if it works.
PS Make sure you have the right mother
board jumpers to discharge the CMOS, YOU
CAN DO DAMAGE ALSO, if they are not the
How do I unlock my GXP 1450?
Step 1: Press "OK" button to bring up the keypad configuration menu, select "Config", press "OK" to enter submenu, select "Factory Reset"Step 2: Enterthe MAC address printed on the bottom of the sticker. Please use the following mapping:A: 22 (press the "2" key twice, "A" will show on the LCD)B: 222C: 2222D: 33 (press the "3" key twice, "D" will show on the LCD)E: 333F: 3333Example:if the MAC address is 000b8200e395, it should be key in as "0002228200333395".NOTE: If there are digits like "22" in the MAC, you need to type "2" then press " >" right arrow key to move the cursor or wait for 4 seconds to continue to key in another "2". Step 3: Press the "OK" button to move the cursor to "OK". Press "OK" button again to confirm. If the MAC address is correct, the phone will reboot. Otherwise, it will exit to previous keypad menu interface.
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