Intermittent call drops on Voip.ms
Shplad:
Hi everyone:
I used to be an IT tech. many years ago, but I'm not very familiar with VoIP technology.
I have intermittent drops on Voip.ms using my OBi202 (3.1.0 Build 5264). Voip.ms technical support insists that the problem is not related to their network. I have not been able to discern any pattern to the drops. They happen when there is someone talking or when there is silence, on both received and sent calls, etc.
For security and other reasons I won't get into, I'm not using the Obitalk.com portal, I just configured my device directly. It's been great that way, except for these drops.
- Connection: cable 15 Mb down/1 Mb up
- SIP ALG is off in my router
- Ping test results:
Ping statistics for 1.1.1.1:
Packets: Sent = 20719, Received = 20701, Lost = 18 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 5ms, Maximum = 797ms, Average = 17ms
Where do I start troubleshooting?
SteveInWA:
Quote
For security and other reasons I won't get into, I'm not using the Obitalk.com portal, I just configured my device directly. It's been great that way, except for these drops.
<eyeroll> ::) ::) ::) ::) ::)
Your device is years behind in firmware level. The current level is 3.2.2 (Build: 5921EX) or higher.
Intermittent call drops are usually caused by the quality of your LAN and WAN connections. Raw ping time is meaningless for VoIP, and basic Internet speed test websites are useless as a diagnostic tool. 15/1 ISP service is actually not even considered "broadband" any more, and it makes me wonder about the age and quality of your ISP's cable infrastructure. VoIP is sensitive to not just speed, but latency and jitter.
Testing the ability of your equipment and network for suitability for VoIP requires a simulation of true end-to-end traffic, using one the voice CODEC used by your ITSP (G.711 in most cases).
There are a few sites that can perform this test. The best use Visualware's BCS software to simulate actual VoIP traffic.
This site doesn't use BCS, so it is less accurate, but still worth trying: https://www.megapath.com/speedtestplus/
This site uses BCS, which you need to download and install first, from Visualware: https://www.ringcentral.com/support/qos.html
Below are screenshots of tests I just ran from both sites.
You also need to update the firmware on your device. If you refuse to use the OBiTALK web portal, then download and install it manually: http://fw.obihai.com/OBi202-3-2-2-5921EX-332148940.fw
Lavarock7:
I recently found a problem with registrations dropping on my 1062. It turned out that the LAN cable from the phone to the router was a flat cable (probably with no shielding) that caused the problem.
Shplad:
Thanks for your replies.
Here are my test results. I'm not sure why certain items couldn't be tested. I will try again shortly and post back with those results.
RingCentral Summary Tab
RingCentral VoIP Tab
MegaPath Test
Does a firmware upgrade change any settings I should know about? I will make a backup of my settings just in case, but I'd still like to know before I do the update. What firmware version do you recommend for stability. I don't use any fancy features, I just need stability.
Thanks
SteveInWA:
Download the version I linked. It's been out for long enough to prove that it's stable. You won't lose any settings, although, given that your device is sooooo far behind in firmware, I'd recommend performing a factory restore to defaults and then set it up again, to clear out any now-incompatible configuration data that might exist.
The VoIP test not being able to perform two of the tests is not a good sign, but I don't know what's causing it. If you have the ability to physically take the device (and its phone) to some other location (work, friend, relative's house) and test it there, that might be informative.
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