Question about Grandstream HandyTone HT-486 Analog / Digital Phone Line Converter

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I have grandstream ht 486 and i got this adpter from mpingi and now i want to use this adpter with freecall service so i want to unlock this adpter so how to do this?

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SOURCE: Secret block

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Posted on Jul 21, 2010


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1 Answer

My handy tone-486 box keeps flashing red every 3 seconds and I have no dial tone. My internet works and I have power and a working phone line to the box. Help.


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.

Mar 04, 2010 | Grandstream HandyTone 486 ATA (HTATA486)

1 Answer

A wrong pass word was entered and the devise was blocked.how can i access the device again?


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Oct 07, 2009 | Grandstream HandyTone 486 ATA (HTATA486)

2 Answers

Pcx1100u


did'nt get ya

throw some light on it!

you know what sometimes virus/spywares/adwares can slow down you're pc to 486 pc's lol

so do a clean instalation + format ya whole HDD and recreate partitions + when you install windows the 1st thing you've to do is that install Symantec Endpoint Protection or BitDefender Total Security on ya pc

hope it'd be helpfull :)

peace!

Jul 04, 2008 | Toshiba PCX1100U High Speed Cable Modem

1 Answer

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
is GONE. 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. Best Regards, PS Make sure you have the right mother
board jumpers to discharge the CMOS, YOU
CAN DO DAMAGE ALSO, if they are not the
right ones.

Jan 25, 2008 | Grandstream HandyTone 486 ATA (HTATA486)

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