voip: replaced audio file with another one

Author: adamgeorge309

showcases/emulation/voip/Beatify_Dabei_cut.mp3

@@ -306,7 +306,7 @@ clicking the play button below:
 
 .. raw:: html
 
-   <p><audio controls> <source src="media/Beatify_Dabei_cut.mp3" type="audio/mpeg">Your browser does not support the audio tag.</audio></p>
+   <p><audio controls> <source src="media/Stereotype_News.mp3" type="audio/mpeg">Your browser does not support the audio tag.</audio></p>
 
 Here is the received audio file:
 

showcases/emulation/voip/Stereotype_News.mp3

@@ -1,7 +1,7 @@
 [General]
 network = AppContainer
 scheduler-class = "inet::RealTimeScheduler"
-sim-time-limit = 50s
+sim-time-limit = 70s
 *.app.typename = "VoipStreamReceiver"
 *.app.localPort = 60001
 *.app.resultFile = "results/received.wav"

showcases/emulation/voip/doc/index.rst

@@ -1,15 +1,15 @@
 [General]
 network = AppContainer
 scheduler-class = "inet::RealTimeScheduler"
-sim-time-limit = 47s
+sim-time-limit = 67s
 *.app.typename = "VoipStreamSender"
 *.app.packetTimeLength = 20ms
 *.app.codec = "pcm_s16le"
 *.app.sampleRate = 32000Hz
 *.app.voipHeaderSize = 40B
 *.app.voipSilenceThreshold = 100
 *.app.repeatCount = 2
-*.app.soundFile = "Beatify_Dabei_cut.mp3"
+*.app.soundFile = "Stereotype_News.mp3"
 *.app.localPort = -1
 *.app.destPort = 60001