Question about AT&T 984 Corded Phone (att00148)

8 Answers

DSL has zapped our AT&T 945 phones

OK, we need a Z800a filter from AT&T only we hear that AT&T is no longer making these available. So what do we do now? Is there someplace we can get the filter to correct our problem?

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  • zionlutheran Feb 04, 2009

    We need a Z800a filter from AT&T only we hear that AT&T is no longer making these available. I checked the Radio Shack site and they say they do not have one. So what do we do now? Is there someplace we can get the filter to correct our problem?

  • zionlutheran Feb 04, 2009

    This filter needs to go on the telephone line coming into the building. At Stapesl, Radio Shack, etc. they have single line filters that plug into each phone. From the AT&T manual, they suggest the outside filter which they do not provide any longer. So how do we find this Z800a filter?

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Hi and welcome to FixYa,

AT&T may no longer be making the Z800A line filter available to them but said filter is manufactured for/by Lucent Technologies (Lucent Z800A isolation filter). Alcatel-Lucent maybe reached at 1 800-252-2835.

Should your concern be with the intercom system, then this could be addressed by adding said filter to Line 1 only or for that matter any replacement telephone line filter and/or to all the incoming telephone lines (4).

Would appreciate an update on any developments. Good luck and thank you for using FixYa.


Posted on Feb 05, 2009

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An AT&T Z800A filter isolates the splitter from your phone system and reduces interference with the signals used by the system phones to communicate with each other. You can obtain an AT&T Z800A filter at no charge by calling 1 800 222- 3111. You will also receive a diagram showing the proper installation of the AT&T Z800A filter with a DSL splitter, DSL modem and your system phones. AT&T cannot supply the DSL splitter.
Lucent technologies also now makes the filter.
TRY THIS LINK
Just about any filter will work - it is simply for reducing the interference in the line. Check Radio Shack - Best Buy - or a local telephone installation company. AT&T may be able to reference a replacement part - even if they no longer manufacture it.
Thank you for using FixYa - A FixYa rating is appreciated!!

Posted on Feb 04, 2009

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A compatible filter can be purchased at you local Radio Shack

Posted on Feb 04, 2009

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Go to below link for your filter>>

http://www.amazon.com/AT-954-Expandable-Speakerphone-Intercom/dp/B00000J3MS

Thanks for using FixYa.

Posted on Feb 04, 2009

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Even Walmart has them near their telephones.

Posted on Feb 04, 2009

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Most dsl filters should work for you and any store like radioshack, staples, or even compusa will have them

Posted on Jan 05, 2009

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Should be able to pick them up at radio shack... the source if you are in canada.. they are dsl filters

Posted on Jan 05, 2009

  • Roberta Smith
    Roberta Smith Feb 04, 2009

    pick up dsl line filters and add them to each phone line. on my installation of dsl that is what was required and it works fine... you can pick them up at walmart or other computer store

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Can you tell us what the main problem is? You can look at radioshack if they have available filter that you are looking for.

Posted on Jan 05, 2009

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2 Answers

Uniden wall-mounted cordless phone unusable since DSL installed


This happened because there are too many phones sharing the same line with no power amplifiers.
Your phone line is self powered by a small current generated by the phone company (that's why old, wired phones don't need a separate power connection to ring or make calls, it's enough to just plug them in). Each phone you connect to the same line acts as a resistor and drains some of this current. Eventually not enough power is left to carry the signal.
The phone company technician can fix this by installing power amplifiers.
In any case, I would test this theory by unhooking all other phones and checking the cordless ones on their own.
If they work fine, call back the phone company and ask for a "real" repair person..

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My phone and answering machine sounds like a fax machine..I can not hear anyone on the other line nor can they leave a message


I am assuming you have DSL on this line. You will need to install inline DSL filter on your lines to cancel out the modem sound your PC is sending. Hope this helps.

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The phone has a buzz on it and it is not the line it's the phone att945


Buzz may be from many different sources.

First, is there DSL on this line? Make sure you have a filter on the line going to the phone or plug your phone into the jack coming out of the DSL modem.

Next, remove any other device from the line and check the buzz. Sometimes a fax machine, computer or credit card machine will create noise on the line.

Then check the connections in the wall, any splitter and in the phone. Make sure the wires are straight before you plug in the phone cord.

If that does not help, take a regular phone and plug each wire into that phone and listen for the buzz, it may be a pinched wire.

Or, you may have a wire running past something that has a large electrical current. Try moving the wires away from a television, florescent light, etc.

Lastly, these phones have a cable length maximum. If you have too much cable in the office they will act as an antenna and this will add buzz to the line.

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Speaker phone problem


It is possible. I have ATT 945(?) 4 line phones that communicate via a DSL-like signal between units to do special things like intercom, etc.

What I have in my setup is that I have a seperate line from the point of entry of my phone line to my DSL modem.

I then have TWO stacked DSL filters PER LINE that feed the main phone line running to all the phones.

Be AWARE that when using the speaker phone there is a modulation of the gains both directions. When you talk OR have a noisy background noise, the gain of the speaker is cut down to prevent feedback. And when you go silent, the speaker gain is increased for you to hear the other side of the call. Essentially it takes as much discipline as the old two-way radios... one talker at a time with these speaker phones AND very little background noise.

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Vtech model 2656 caller id is not working. How can I fix this?


Hello,

Found this on the VTECH support site regarding your model:

Tip 1 of 1
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Caller ID and Call Waiting ID are subscription services, available from most local telephone service providers. You must subscribe to these services in order for the features to work on your phone. Contact your local telephone service provider for more information.

In addition, your caller must be calling from an area that supports caller ID.

Both you and your caller’s telephone service provider must use compatible caller ID systems.

If you subscribe to DSL service for this telephone line, DSL filters must be plugged into EVERY phone jack that has a phone. The DSL signal can cause caller ID disruption, static, noise and other issues on your line. DSL filters block the high frequency DSL signals from being transmitted to the telephone. If you are not using the DSL filters provided by the telephone company, this will cause static/noise and possibly caller id issues on your phones.

In most cases, we recommend you connect the plug end of the DSL filter into the telephone jack, then connect a telephone cord between the filter and your phone.

Please contact your service provider to obtain DSL filters and installation information.

Caller ID and Call Waiting ID may not be available for every call. Common reasons are incompatibilities between your and your caller’s service, transmission errors and answering calls before the ID data is received.

In addition if you would like to contact them or get more info on your phone, then use this link:

http://www.vtechphones.com/vtechui/support/faq_index.cfm

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I would check the DSL filters. Your phone should not interfere with the DSL. Make sure there is a filter on any line going into your phones. If there is a filter replace it and see if that works. Also, check other equipment on the line, fax, computer, credit card machine. They will need filters from the DSL too. Remove these other devices and check the line for the problem then add them back one at a time.

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Make sure you have filters on the lines between your DSL and your phones. Use the line out from the back of your modem to split to your phones if you don't have any filters. You may have to take line 2 from the back of the DSL modem to send to all of the phones. This is usually a filtered source and should isolate your phones from the DSL. Put the filter on any other devices that are sharing line 2 too, fax, computer, credit card machine etc.

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2 Answers

Do I have to use the DSL filter. I have comcast phone service. thank you


The DSL Filter is only needed if you have a telephone and DSL service coming through on the same line. You are using Comcast digital voice, are you using them for cable internet as well?

I presume you are. then I would say you dont need the filters.
If you still have DSL and home phone then use the filters on the phone

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1 Answer

When i dial and press the talk butto, i still hear a dial tone...please help


Please follow these troubleshooting steps;

Tip 1 of 9
Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone. Consider trying a phone that operates on a different wireless frequency.



Tip 2 of 9
If you subscribe to DSL service for this telephone line, DSL filters must be plugged into EVERY phone jack that has a phone. The DSL signal can cause static/noise, squealing (similar to fax tones), caller ID disruption and other issues on your line. DSL filters block the high frequency DSL signals from being transmitted to the telephone. If you are not using the DSL filters provided by the telephone company, this will cause static/noise and possibly caller id issues on your phones.
In most cases, we recommend you connect the plug end of the DSL filter into the telephone jack, then connect a telephone cord between the filter and your phone.
Please contact your service provider to obtain DSL filters and installation information.



Tip 3 of 9
Other electronic products (i.e., 802.11 wireless networking products, radios, radio towers, pager towers, cell phones, intercoms, room monitors, televisions, personal computers, kitchen appliances and other cordless phones) can cause interference with your cordless phone. Try installing your phone as far away as possible from these types of electronic devices.


Tip 4 of 9
To get better reception, try moving the telephone base to higher location. Relocate telephone base near a window if using telephone outside.



Tip 5 of 9
Excessive background noise will cause a speakerphone to fade in and out. Try controlling the background noise by turning off any audio devices near the speakerphone. Also, try to avoid interrupting the person at the other end of the conversation while they are speaking. If background noise cannot be controlled, you should terminate speakerphone operation and return to normal handset mode.



Tip 6 of 9
Disconnect any other equipment that is connected in series with your phone. If you phone begins to perform normally, there is a compatability issue with your other equipment.



Tip 7 of 9
If your phone shares a power outlet with a modem, or if it is plugged in to a shared surge protector, try plugging the phone (or modem/surge protector) in at a different location. If this solves the problem, re-locate your phone or modem farther apart from one another, or use separate surge protectors.



Tip 8 of 9
There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, there is nothing wrong with the phone. This is normal radio operation.



Tip 9 of 9
You may have a line problem. To test for a line problem, test your unit at another location such as your neighbor’s or relative’s house. If your unit works at another location, contact your local telephone company

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