Fix confusing text labels on video/audio call buttons.

client/views/app/videoCall/videoButtons.html

@@ -3,11 +3,11 @@
 		{{#if videoAvaliable}}
 			{{#unless videoActive}}
 				{{#if callInProgress}}
-					<button class="join-video-call button secondary"><i class="icon-videocam"></i>{{_ "Join"}}</button>
-					<button class="join-audio-call button secondary"><i class="icon-phone"></i>{{_ "Join"}}</button>
+					<button class="join-video-call button secondary"><i class="icon-videocam"></i>{{_ "Video"}}</button>
+					<button class="join-audio-call button secondary"><i class="icon-phone"></i>{{_ "Audio"}}</button>
 				{{else}}
-					<button class="start-video-call button"><i class="icon-videocam"></i>{{_ "Start"}}</button>
-					<button class="start-audio-call button"><i class="icon-phone"></i></button>
+					<button class="start-video-call button"><i class="icon-videocam"></i>{{_ "Video_Chat"}}</button>
+					<button class="start-audio-call button"><i class="icon-phone"></i>{{_ "Audio_Chat"}}</button>
 				{{/if}}
 			{{/unless}}
 		{{/if}}

packages/rocketchat-webrtc-ib/i18n/en.i18n.json

 {
+  "Audio" : "Audio",
+  "Audio_Chat" : "Audio Chat",
+  "Video" : "Video",
   "Video_Chat" : "Video Chat",
   "Remote" : "Remote",
   "Setup" : "Setup",