VoIP.ms Compatibility with T-Mobile Home Internet

[jl66]

See this thread. Yes, it appears T-Mobile is blocking traffic but using TLS works.

Tmobile Home Internet - getting voip.ms working

I am a new user configuring a Grandstream WP826 for an apartment in NYC (second home) where internet is via Tmobile Home Internet (TMHI). I have configured the phone and it works when connected via cell phone hotspot so I know the configuration is correct. It does not work via the TMHI router (4GAR). I have also attached to a second network (PC hotspot) that is tailscaled to my primary home and that hasn’t worked (yet). Does anyone have experience getting voip.ms line working through a TMHI …