https://bugs.kde.org/show_bug.cgi?id=434279

--- Comment #8 from Ritesh Raj Sarraf <kde-b...@researchut.com> ---
For this bug's complete information, I would like to add that the issue is
neither with Plasama or Latte-Dock.

The problem is with the web-portal that has a bunch of specific requirements to
get the conferencing web app to work proper.

https://help.uberconference.com/hc/en-us/articles/115001552826-System-Requirements
Under section, Routers and Port.

In particular,

*****************************************************
Routers and Ports
You'll want to make sure your router/gateway has the SIP ALG disabled and that
you've opened the following ports on your firewall:

Protocol        Ports   Direction
TCP     80/443  Out
TCP     6800/5222/5223/7060     Out
UDP     5060/5061/7060/11000/16600 to 16998/19305       Out
UDP     stun.l.google.com/19302 UDP outbound
""      ""      UDP bidirectional
UDP     16384 to 32768  Out


You can also restrict outbound traffic to the following domains:

dialpad.com
dialpadcdn.com
highfive.com
ubervoip.net
stun.i.google.com

What are these ports used for?

80/443: WebSockets to communicate with our servers
6800/5222/5223/7060: Outbound calls
5060/5061/7060/11000/16600 to 16998/19305: Outbound calls
stun.l.google.com/19302: ICE protocol to determine public address
16384 to 32768: Only open these if your network doesn't use D-NAT

Usually, there's no need to turn on QoS on your router unless you have a large
network with several thousand employees.
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