Question about Siemens Gigaset A490 Twin Cordless Phone

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My Siemens gigaset A 490 cordless phone is showing Register HS what i have to do pl advise

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To register the Gigaset handset, you need to have the handset near the base. Press and hold the Register/Paging button on the base for 3+ seconds (it's hidden by the handset when on the base). A shorter press of the button will activate the Paging feature. Then within 60 seconds of pressing the Register button on the base, press Menu and select Settings. Press OK and go to Handset. Press OK and then select Register HS. Enter the base PIN (default is 0000) and then press OK. (Use the up/down arrows to navigate the menus.) You will see Registering flash on the display of the handset for approximately 1 minute while the registration is processed.

The manual for the Gigaset A490 is available here: . If you need it in another language (or country), start here: .

I hope this helps.

Cindy Wells

Posted on May 27, 2011

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  • desaibhavesh Aug 07, 2011

    I did the same. After minute i hear big bip sound, but still not able to send and receive the call. I am having A 490 with three handsets. Best part that it was working from last month when i started, suddenly it stops working by giving message "Registering HS" . Any help??

  • Cindy Wells Aug 07, 2011

    Sometimes cordless phones lose their memory. The only thing to try is to unplug the base and remove the batteries from the handsets. Wait for the capacitors to fully discharge (forcing the units to lose their internal memory). Then reconnect the batteries. Try registering the handsets as above.

    Next try deregistering the handsets (under the Handset submenu on the handsets) and then repeat the battery removal process. Then try registering again.

    If you still can't get the handsets to remain registered, try new batteries in the units. (Most cordless phone batteries last a year.) The only other possibility is that the transmitter or the receiver at the base has failed. Then you need to get the unit serviced or replaced. (The units aren't meant for user repair and the repair costs for an out-of-warranty unit can be higher then the replacement value.)

    I hope this helps.

    Cindy Wells
    (I suspect the base failure because three handsets failing at once seems unlikely.)

  • Deeba Sep 08, 2013

    Can we use any battery or certain specific battery can ONLY be used?

  • Cindy Wells Sep 08, 2013

    The Gigaset A490 handsets use rechargeable AAA Nickel Metal Hydride (NiMH) batteries. These batteries are sometimes called micro or HR03 batteries, which give 1.2V with a capacity of 650 mAh. You can't use non-rechargeable alkaline batteries. Due to the charger chemistry, nickel-cadmium (NiCd) or Lithium rechargeable batteries are not compatible with the phone. Page 16 of the manual lists some known compatible NiMH batteries. See[product_id]=GIGASETA490&tx_gigadownloads_downloads[action]=listManuals&tx_gigadownloads_downloads[controller]=Download&cHash=96bc23a3dc9cc803b58e698be723e885 and select your preferred language/area. Confirm your acceptance of the Siemens terms of use and then the PDF will download. I hope this helps. Cindy Wells

  • ankit shaheer
    ankit shaheer Feb 09, 2014

    I have a gigaset A490. When i bought it, it was working fine but suddenly it has started to show a message ' Base search ' all the time. I have tried registering it several times but still no luck. FYI i don't have any additional headsets.



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