Recently, a Baltimore City non-profit company and Teltek customer called in to report a “mysterious noise” coming from the speaker on their phone. Now, getting a trouble ticket about “noise on the line” or “static” is not uncommon. Noise can occur on a telephone due to interference from radios, baby monitors, televisions and even weather.  But what made this unique was the solution.  The customer reported an intermittent “yelling” noise on the line, so Teltek dispatched a technician to troubleshoot the issue. The Telteknician installed a noise filter called a ferrite module – which gets rid of electromagnetic and radio frequency interference. They tested the line and the “yelling” was gone. Or so we thought…The customer called back in two weeks later. The “yelling” was back. After researching the issue further, the Telteknician installed two radio filters – which get rid of just radio frequency interference. Once again, the “yelling” was gone. But this time, it’s gone for good (knock on wood).  What must be learned from this experience is that noise filters are often trial and error. There are so many possibilities for the interference. Also, Ferrite modules and radio filters are very similar in nature; you just have to find the right fit.

For more information on our noise filters or any of out other amazing products, contact a Teltek Account Executive at 1-866-9-TELTEK.