[CentOS] What the heck is a "text/html decoder"

Mon Nov 4 22:07:09 UTC 2013
Kwan Lowe <kwan.lowe at gmail.com>

On Mon, Nov 4, 2013 at 4:45 PM, Frank Cox <theatre at melvilletheatre.com> wrote:
> My phone service provider offers a way to check my voicemail via a webpage.  However, when I go to that webpage with Firefox and try to play back a saved message, a window pops up that says this:
> "The following plugin is required: text/html decoder"
> What is it looking for and how can I install it?  I already  have these totem rpms:
> totem-nautilus-2.28.6-2.el6.x86_64
> totem-pl-parser-2.28.3-1.el6.x86_64
> totem-mozplugin-2.28.6-2.el6.x86_64
> totem-2.28.6-2.el6.x86_64

Most likely looking for Flash. Some sites indicate gecko-mediaplayer
provides the txt/html.. not sure if it's covered by the ones you have