Persistent hum on my connected phone
Jeff205:
I have a 2-line phone and whenever I connect it to my OBi I get a persistent hum regardless of what line I am using. As soon as I disconnect from the OBi, the humming stops. I have tried it with all computer/printer equipment off to see if there was some interference, but the issue still persists.
Any thoughts?
OBi-Guru:
Do you have another analog phone to try out with the OBi?
Also the simplest thing is to press *** and listen to the IVR, see if there is any hum?
Jeff205:
I tested with another 2-line phone that is exactly the same with the same results. It does not occur with a 1-line phone. There is a hum within the IVR, but I do not think it's an OBi issue.
I have continued to troubleshoot and the hum also stops when I remove the landline connection while listening to the IVR. This is the first time I have used both lines together on this 2-line phone and unfortunately it looks like there is an issue. I know I can plug my landline into the OBi, but I wanted it to ring on my second line on the phone.
It looks like it is not an OBi issue and more of a phone issue, but if anyone has encountered this before; any advice is appreciated.
Thanks.
Jeff205:
It sounds like I need to reverse the TIP and RING on my landline. Only issue is, I'm not a telephone guy and don't exactly know how to do this. Can I switch them in the cable I use or does it have to be done in the wall jack?
RonR:
Phones are not normally polarity sensitive, so reversing the Tip/Ring connections isn't likely to change anyting.
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