Five ways work internet fails on Starlink, and the fixes

VPN fails

Check the VPN type

Calls freeze

Check obstructions and uploads

Wi-Fi calling

Phone settings, then carrier

Outage stops work

Add a failover router

1. The work VPN won’t connect, or keeps dropping

Symptom: the VPN client spins and fails, or connects and then dies with no error.

Cause: Residential and Roam plans use carrier-grade NAT (checked Oct 5, 2026). Starlink says VPNs over TCP or UDP work if they support NAT traversal. It lists Client VPN protocols Starlink lists as generally working well with CGNAT: SSTP, OpenVPN, WireGuard. It also lists Client VPN protocols Starlink lists as generally not working well with CGNAT: PPTP and L2TP. Also GRE and IPsec without NAT-T for site-to-site. And: CGNAT drops VPNs relying on IP protocols 47 (GRE), 50 (ESP), 51 (AH) and 115 (L2TP).

Quick check: ask IT, or look in the VPN app’s settings, for the protocol name. Then try the VPN from a phone hotspot: if it works there and not on Starlink, the protocol is the likely cause.

Fix: ask IT to switch you to an SSL/TLS, OpenVPN, WireGuard or IPsec-with-NAT-T profile. Starlink says it can’t troubleshoot VPN issues itself (checked Oct 5, 2026), so this goes through your IT team.

Full guide: Starlink and VPNs: what works behind CGNAT.

2. Calls freeze for a few seconds, a few times an hour

Symptom: video freezes, audio cuts out for one to a few seconds, then the call recovers. Speed tests look fine.

Cause: usually something in the dish’s view of the sky: a tree, a roof edge, a chimney. As satellites move across the sky, they pass behind it and the link drops briefly. Satellite handovers also shift latency on a schedule; one researcher measured it every 15 s (not ours). Calls can ride through handovers; they can’t ride through a blocked view.

Quick check: open the Starlink app’s Statistics page, which shows latency, outages and alerts while you’re on the Starlink router (checked Oct 5, 2026). Short outages that line up with your call freezes point at the sky view. Then run the app’s obstruction check.

Fix: move or raise the dish to a clear view. Use Ethernet for the work computer so Wi-Fi drops don’t add to it.

Full guide: Zoom and Teams calls on Starlink.

3. Wi-Fi calling won’t connect or drops calls

Symptom: the phone never shows Wi-Fi calling, calls fail to connect, or they drop when you walk around the house.

Cause: Starlink says Wi-Fi Calling is sensitive to IP geolocation, and that problems can come from device settings, network glitches or carrier restrictions (checked Oct 5, 2026). Often it’s simpler: Wi-Fi calling isn’t turned on, or the emergency address isn’t set.

Quick check: in the phone’s settings, confirm Wi-Fi Calling is on and the emergency address is filled in. Then run a short ping test; Starlink’s guide says to note latency over 200 ms or any loss.

Fix: Starlink’s advice: For VoIP/Wi-Fi Calling problems Starlink says to contact your carrier first, then open a Starlink ticket with IP and ping results. Restart the phone after changing settings, and make sure Wi-Fi reaches every room you take calls in.

Full guide: VoIP and Wi-Fi calling on Starlink.

4. When Starlink goes down, nothing switches over

Symptom: an outage, and you’re scrambling for a phone hotspot in the middle of a call.

Cause: no second line, or a second line with nothing to switch to it. A hotspot in a drawer isn’t failover.

Quick check: unplug the Starlink cable during a quiet hour. If your computer doesn’t get back online by itself within a few seconds, you have no failover.

Fix: a dual-WAN router with Starlink on WAN 1 and a backup (cellular or a second provider) on WAN 2, set to failover with a health check to a public address. Put all three boxes on a UPS. Calls and VPNs will reconnect, because the address changes, but you won’t lose the day.

Full guide: Failover Builder.

5. Video freezes when someone uploads

Symptom: your video turns to blocks or freezes, and others say you’re breaking up, while someone in the house is uploading a file or a phone is backing up.

Cause: upload is the small side of the line. Starlink’s spec for its Residential 100 Mbps plan is Residential 100 Mbps: download capped at 100 Mbps (spec 80-100 Mbps), upload 15-35 Mbps. A big upload grabs most of it, and your call’s packets wait in line.

Quick check: run a speed test with nothing else uploading, then again with the upload running. If upload drops near zero and latency jumps, that’s it.

Fix: pause big uploads during calls, schedule backups overnight, or use a router with smart queue management (SQM) set a little under your measured upload. Lots of devices can also hit the CGNAT limit of 1,200 sessions; Starlink says that can freeze video meetings too.

Full guide: Uploads and large files on Starlink.