OpenVPN over TCP 1194 rather than UDP 1194 – Is there an adverse effect when running Asterisk?

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Hi Everyone,

For some reason a few phones connected to a pfSense box can’t make or allow
in OpenVPN in port 1194 UDP. So, I established the VPN tunnel on 1194 TCP
and it works fine. I would like to know if there is any disadvantages to
using TCP over UDP for the tunnel when using Asterisk or is just as reliable
and solid as a UDP tunnel?

Thanks