how do I add a web font from a clients server?

they gave me the urls where the fonts are hosted. iv'e read up on how to add typekit and google fonts but i'm not sure how to add fonts located on our clients server?

Here is what they gave me.

http://www.clientsServer.com/etc/designs/splunk/fonts/proximanova-bold-webfont.eot'

http://www.clientsServer.com/etc/designs/splunk/fonts/proximanova-bold-webfont.woff

http://www.clientsServer.com/etc/designs/splunk/fonts/proximanova-bold-webfont.ttf'

http://www.clientsServer.cometc/designs/splunk/fonts/proximanova-bold-webfont.svg