Question about Aastra Telecom Aastra 8314 Corded Phone

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Aastra 8314 has no dial tone and no audio when receiving call

I have a satellite office with 4 separate phone lines coming into the building. The main line has 2 Aastra 8314's connected to it. There is an Aastra 8314 on second line, a VTech cordless phone on the third line, fax machine on the fourth line. I got a call from the office saying their main line was not working. The phone would ring when a call came in, but they couldn't hear anyone talking. They also said they couldn't dial out. At the site, I found no dial tone when picking up the Aastra handset, but what sounded like a handset was off the hook somewhere else on the same line (but no background voices or other noise). These Aastra phones, when connected to the other phone lines in the office, work. Just not on this main line all of a sudden. I took the cordless phone and connected to the main line, and it worked fine. The fax machine also worked on the main line. I'm trying to look up and get as much troubleshooting information as I can before I go back out there again, as I'm not very familiar with this phone or the wiring in this office. Any help would be greatly appreciated.

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1 Answer

No dailing tone


HI Michael,
I have this site for you on how to set dialing tone on your IP Phone. Hope it helps.
https://www.google.com.ph/?gws_rd=cr&ei=8CNaU5KaFYKiyASIhoKACA#q=aastra+6753i+ip+phone+user+guide ( please choose the 1st link)

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I just installed a replacement At&t EP 5962 2 line, answering answering device telephone. Line 2 does not get a dial tone. I installed it into proper / same as before outlets and both lines light...


There may be damage to the wiring of line 2 (either in the building or on the phone). Are both lines wired to one jack or are they separate? Do you have any other jacks that have line 2 connected (preferably as single line jack) in the building?

I like to use an old single line corded phone that does not use a power adapter. (As long as the EP5962 corded base will work without power (POTS), it might work for the tests below. You might want a simpler phone to carry around.)

If the lines have separate jacks, try switching line 1 and line 2. (Connect your Line 2 jack to the Line 1 input on the phone and vice versa.) If line 2 doesn't give a dial tone when connected to line 1, see the next set of tests. Otherwise, contact AT&T if the phone is under warranty. These phones are not meant to be user-serviced. Alternatively, plug in a different phone to the line 2 jack to test for dial tone.

Next move to another jack with line 2. Check if you have dial tone at that point. (If you do, you know the problem is at the first jack or the wiring to the jack.)

If there is no dial tone at the next jack or you do not have another jack for the line, find where your telephone service comes in. Open the service box and determine the type of connections in the box. If you are lucky, you will find RJ-11 jacks for the incoming service. Plug in your test phone and check for dial tone. If you have no dial tone or can't check the service, then contact your telephone company. They will test your line and fix it free if the probIem is outside.

If you have a dial tone, then it's an inside wiring problem. Inspect the visible wires for damage. Open the faceplates for the jacks and check for loose wires. There are two types of connectors. Screw type connectors need the wire stripped back a little then wrap around the screw and tighten. The other type is a punchdown jack. To repair a loose wire in this, you will need a punchdown tool. These are often available in hardware/home improvement stores in the wiring section. http://www.lanshack.com/wire_phone_jack.aspx has clear pictures of the wire color to pin pattern.

You may want a professional to check the wires inside the walls. Your phone company will fix problems for a fee.

Damaged DSL filters on one line could be the cause. Similarly certain animals may have chewed on the specific wires somewhere in the line.

I hope this helps.

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Now here's a conflict. Does line 4 work on any other phone where it doesn't ring? You say all lines are working properly wiith dial tones, tnen you say you can't pick it up from another phone.

I don't think these phones have "private lines", but the dial tone comes from the 2nd RJ-14 jack on the wall. On every phone, you could swap the plugs so that line 1 comes into line 3 and line 3 comes into line 1 (you'll lose the intercom) and see if you get dial tone on line 2 which will be the phone that works line 4. The point being to determine if you have a wiring issue or a programming problem.

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I suggest you consult the user manual.
You can get it in PDF format here : http://www.aastra.com/cps/rde/aareddownload?file_id=7959-13627-_MAS_XML&dsproject=aastra&mtype=pdf
Please rate if this answer helped.
Thank you!

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If you're trying to feed different dial tone to 4 phone jacks, you need to find a way to unsplice the cables. In truth, all you have to do is find the main feed from outside, wire it to the DSL modem, and backfeed the 3 other cables with the dial tone from the Vonage or whatever ATA. This backfeed will run on any cable and does not need to be Cat 5e.

If you're trying to run network cables, then you need to run a new cable and connect it to a router or switch at some central location. Those cables need to be 5e.

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2 Answers

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Check the cor and cos setting of the phone It shold have the permissions to call outside

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1 Answer

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On your computer just type the brand and model of your phone and it takes you to a help site. It took me 5 minutes

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