Google Voice keeps cutting out .....
SteveInWA:
Quote from: mtmind8 on July 15, 2017, 09:37:31 pm
Some tests were critical or warning, but the voip testings were ok. The Sprint 4G LTE network is not the best and I am not sure if they can improve much. Since the echo test was good and I can hear fine, only the other side cuts out, I am wondering if adjusting the settings will work better. Does anyone know where to find info on description of the settings, the acceptable range for each and whether high or low is better. The user manual does not have enough information on each of the settings and I am afraid to change them. Thanks!
Wait, whut? Are you using Sprint LTE as your internet service provider? That's not going to provide the consistent level of quality required for a standard SIP VoIP call. Given that it is an asymmetrical service (download speed faster than upload speed), that's why your callers hear choppiness or other problems with your voice: your connection is causing it. The SIP VoIP calls you are making/receiving use an old CODEC (G.711) that depends on low-latency, low-jitter, internet connections. It wasn't designed for mobile phone network use.
No, there are no settings that can significantly improve this.
mtmind8:
Thanks Steve for explaining. I was hoping to use a hotspot for the phones in my home after cutting the landline. Looks like it would not work. The download speed of most networks are faster than upload speed, but the latency and jitter are not good on my tests. Part of the problem may be caused by Google Voice. Similar problems were reported on Hangout, which uses Google Voice:
l
https://productforums.google.com/forum/#!topic/hangouts/ZOyNbbTsR40;context-place=topicsearchin/hangouts/voice$20cutting$20out
https://productforums.google.com/forum/#!topic/hangouts/xw0qul8sYno;context-place=topicsearchin/hangouts/category$3Acall-a-phone-from-hangouts
Also, the obi can only connect to one phone. When plugged into a wall jack, the obi200 shows off-hook status, even when all the phones are on hook. Do you know why? Is there a way to fix it? I did disconnect the supply line from the phone company. So the wall jacks are only connected within my house.
SteveInWA:
Quote from: mtmind8 on July 16, 2017, 08:53:46 pm
Thanks Steve for explaining. I was hoping to use a hotspot for the phones in my home after cutting the landline. Looks like it would not work. The download speed of most networks are faster than upload speed, but the latency and jitter are not good on my tests. Part of the problem may be caused by Google Voice. Similar problems were reported on Hangout, which uses Google Voice:
l
https://productforums.google.com/forum/#!topic/hangouts/ZOyNbbTsR40;context-place=topicsearchin/hangouts/voice$20cutting$20out
https://productforums.google.com/forum/#!topic/hangouts/xw0qul8sYno;context-place=topicsearchin/hangouts/category$3Acall-a-phone-from-hangouts
Also, the obi can only connect to one phone. When plugged into a wall jack, the obi200 shows off-hook status, even when all the phones are on hook. Do you know why? Is there a way to fix it? I did disconnect the supply line from the phone company. So the wall jacks are only connected within my house.
No, your call quality issues are not caused by Google Voice. They are caused by you trying to use a Sprint network connection to make VoIP calls that use G.711, which cannot adapt to constantly varying amounts of latency and jitter in the Sprint network. You may not notice this when watching a video, for example, because the video player can store enough data in the buffer to allow the network to catch up. VoIP buffers can only store a small amount of data, because a buffer large enough to overcome the problem would cause you and your caller's voices to be so far out of sync that you'd go crazy trying to have a conversation.
I brought up the download/upload speed issue, as it explains why you may be able to hear your caller's voice better than they can hear yours... the quality (not just speed) of your upload side is insufficient to reliably carry your voice.
If your OBi goes off hook when plugged into your house wiring, then you have a wiring error. You either have a short somewhere, or you are connecting the wrong wires. An OBi can easily support a house-full of phones plugged into a properly-wired set of conductors. I've attached a diagram below, showing how it should be wired. The center two pins of the modular telephone jack are line one. Line one should be connected to the building's blue/blue-white wires only. The phone company's wires must be disconnected from those two conductors.
mtmind8:
Thank you very much again, Steve. You are very knowledgeable and helpful. The wiring is right, because it was done by the telephone company long time ago, and was working before. Now I have to figure out how to find the short. Any good idea?
SteveInWA:
Quote from: mtmind8 on July 18, 2017, 08:07:52 pm
Thank you very much again, Steve. You are very knowledgeable and helpful. The wiring is right, because it was done by the telephone company long time ago, and was working before. Now I have to figure out how to find the short. Any good idea?
It depends on your comfort/experience level with electrical troubleshooting. If you have a multimeter, then do this:
Disconnect all telephones, and disconnect the OBi, from the house wiring.Open up the telephone wall plate/modular jack, where you tried to plug in the OBi.Take a close-up photo of the wiring connections on the inside of the wall plate, so you won't mix up the wires later.Test your meter: put it on a low range of the resistance scale (Ohms) and touch the two meter leads together. Confirm you get zero ohms (short circuit).Set the meter to a DC voltage range over 50V (e.g. 100VDC max). Look at the color-code of the wires attached to the green and red wires of the wall plate. It should match the diagram I posted earlier. The blue wire from the wall should go to red, and white with blue stripes should go to green. Now, clip the meter leads to those two screws: red meter lead to green phone terminal, black meter lead to red terminal.The meter should read zero volts DC. If it reads 48VDC, then it is still connected to the telephone company.If it does read zero volts DC, then change the meter to measure ohms at the lowest scale. It should have infinite resistance (open circuit). If it reads 600 ohms or less, then you haven't disconnected all the telephone equipment.Tell us the results so far.
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