![]() When pings (and especially) jitter are high, VoIP can be a pretty horrible experience. All VoIP services are subject to the same scientific principles including the fact that speed of transmission affects delay. Over VoIP, anything over 200-210 ms, you will typically start to encounter crosstalk due to increased delay, even if the untrained ear doesn't notice. A PC gamer will pound his or her keyboard in hope that a character will respond on his or her monitor, quickly, but when there's a delay or lag, reality doesn't meet expectation. All gamers know, almost inherently, that lag affects them negatively. "Ping is a measurement of data packet transmission, and ping does affect delay or lag. People on Rogers, Bell, Telus or their affiliated mobility providers in strong LTE areas in Southern Ontario will generally have better experiences as well (as opposed to people, for example, in some locations, on Freedom Mobile)." "People located in southern portions of Ontario using Fongo Mobile, Fongo Home, and Freephoneline are generally going to have better experiences than those who aren't, with those specific services. While on Wi-Fi, a NAT hole could close or NAT corruption could occur, which is why I was mentioning UDP timeouts.įongo Mobile's servers are located in Southern Ontario. If you're walking into a poor cellular signal area or are getting high pings and jitter to Fongo Mobile's servers, then you can expect problems. The reason for failed calls while on cellular data can be different. No, or at least it wouldn't be an issue involving a router on your end, since you're not using a router when you're using cellular data. Does this mean it could still be a NAT firewall problem? I get this problem both when I'm at home using wifi, and when I'm out using cellular data. Király wrote:Thanks for the detailed reply. Maybe someone else here has come across this problem too. If you would like their help, submit a ticket. But if the problem goes away as soon as you open the app while on Wi-Fi, I would suspect a NAT related issue.įongo support staff is not obligated to respond on these forums. If registration is lost, cellular signal strength is weak (internet service is unreliable), or if there’s simply inadequate available bandwidth due to other devices on LAN being in use, incoming calls will go straight to voicemail. In order for incoming calls to work, your account needs to be registered. Otherwise, I could offer some other suggestions (other than trying to reinstall the app). Unfortunately because the app is closed source, I have no clue what the NAT Keep Alive or failed registration timer intervals are. If incoming call notifications always work when the app is open but don’t when it’s closed while you’re on Wi-Fi, it may be a NAT firewall or UDP timeout issue. I’ve had the app closed for a week and incoming call notifications work. To receive notifications for incoming calls when the app is closed, Push needs to be enabled.
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