Question about Vtech i5808 Cordless Expansion Handset

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Vtech 5808 my phone keep dropping the calls in the middle of a conversation and shows 'searching for base' all the time. i have tried changing the batteries, but still no gain.what could be the solution? I have 3 phones and have the same problem with both  5808 handsets even with the battery fully charged. Have reregistered the handsets several times  Problem occurred right after warrantee ran out. Vtech was not very helpful. Will try with new battery. Beyond that not sure what my options are. Do not recommend this phone to anyone.

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Re: vtech 5808

To far from base unit do you have
channel switch button if so try that
some phones only operate at short
distances its an inherent problem to
the phone I have a radio shack that
tries to cut out at about 25-30ft in
another room

Posted on Dec 01, 2007

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Re: vtech 5808

Hi it sounds like the problem is with either the base unit board or the board on the phone.
Do you have one main phone plugged into phone socket and the other two are extra phones that just plug into mains and pick signal up off the main phone if this is the case then the problem will be with the main base unit.
So first thing i would do is check the cable to the phone from phone socket is secure and hasnt been trapped under furniture or somebody triped over it and damaged the wire.
If this is not the case then the problem will be with the base unti itself and as the waranty has ran out this usually means that the phone was only really supposed to last untill this time this is the same with most electrical unit you buy.
The problem could be something as simple as a bad solder on the main board near where the signal is sent from the base.
I would say that the actuall phone is not to fault because if the main phone was at fault then the other 2 would work fine.
If you are ok at taking electrical units apart and can test the board near the signal output on the base it might just be that the solder has failed after this time.
If the phone works for a short while before it dropps the calls then it more than likely is a solder problem the thing is it is difficult to get a spec sheet for these phones i will look and if find one let you know.
Have you tried plugging a different phone into the phone socket to eliminate a problem at the phone exchange let me know how you get on and ill let you know if i find anythnig for you ok

Posted on Dec 01, 2007

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How Long Do I Have To Charge My Vtech 5808 Battery?

Lithium batteries can be charged whenever you want for however you want. It is best to charge the phone overnight. you cannot overcharge the battery, and you do not need to deplete it before recharging it. Older batteries had a problem in which improper charging would damage them, but this kind of battery does not. Best of luck!

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Had the same problem and replaced the battery. had the cheapest ones. But it's a knockoff, so I don't know how long it will last. So far it's been 3 months and the problems are gone. I would try that first and see how it goes. I paid about $15 including shipping. If you buy it from vtech it's at least double...

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Try the "hard reboot". /1/ Unplug power from base station. /2/ Disconnect battery in each handset. /3/ Wait a few minutes. /4/ Reconnect battery. /5/ Re-plug-in power to base station. /6/ Place handset in base station, and wait a few minutes for it to recover.
You may have to reset time/date and/or the handset ##.

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We are having similar problem with vtech 5808

Install new batteries! Be sure to let them charge fully (overnite) before first use.

I have 5 of the i5808 expansion phones around my house - most about the same age - and they all started acting up ithin a few months of each other. I "experimented" with a new battery for one, and it solved the issue for that one I replaced the batteries in each of the others that were experiencing the problems. This was about 2 to 3 months ago, and all phones have been problem-free since the new battery installs!

Hope this helps.

May 19, 2008 | Vtech i5808 Cordless Expansion Handset

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5808 drops call and starts searching for base

Got a wireless router? Change channels on the router off Ch6, the default channel and that may help your phone communication to the base station. I have had wireless phone customers lose their wifi when their phone rings, same frequency or intereference on that frequency.

Feb 13, 2008 | Vtech 5808 Cordless Expansion Handset

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Vtech 5808

This model of phone have serious problem regarding the battery. This phone use a lot of juice out of the battery. I'm pretty sure that when your battery is foul charge it doesn't do it. So the problem is in the handset. When your battery starting to get to low you loose your connection. Why?...Because the detection to LOW_BATT in your handset is not calibrate adequately. So it thinks that the batt is weak, to weak to make a conversation.

The other problem could be that your handset doesn't really foul charge your battery. So when you are to far from the base or talking for to long . There's not enough power in the battery to raise the output signal level(db) to your base.

Nov 05, 2007 | Vtech i5808 Cordless Expansion Handset

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Stupid Phones

If you have two identical handsets, try swapping the batteries. If the problems moves with the battery, then it is old or weak and not holding a charge. That what it sounds like to me.

Hope this helps, and please rate my answer, good OR bad.

Good luck!

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buy a new battery from ebay.
just type in the search box, 80-5808-00-00
(the battery number)
You should be able to get a replacement for around $6 incl shipping.
This worked for me anyway. (Same symptoms you described)

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