Forum Discussion
Jitter too high for VoIP to work
I just switched from Comcast/Xfinity wired internet to T-Mobile 5G. The internet appears to work great. However, the Ooma VoIP phone does not work--incoming calls sound fine, but the person on the ...
@amkelley, I don’t have the Ooma VoIP phone and I am not familiar with it’s setup. I have a Grandstream HT801 ATA set up for Callcentric VoIP phone service.
I’ve had TMO HI for the last 10 months and I haven’t had any issues with my phone calls. My download/upload speeds are typically 50/8 Mbps and my ping/jitter around 35/10 ms. The Grandstream ATA is connected to my Arcadyan KVD21 5G gateway.
I see that my jitter is somewhat less than yours, but I just wanted to point out that VoIP can work with TMO HI.
