############ 3 ##############
CASE#35 3rd arg on same line, 4th on next 
m =audio 5555 RTP/AVP/UDP 
0
a=control:rtsp://zippy.cs.columbia.edu

CASE#36 3rd arg on next line, 4th on next next 
m =audio 5555 
RTP/AVP 
0
a=control:rtsp://zippy.cs.columbia.edu

CASE#37 3rd arg missing 
m =audio 5555 0 
a=control:rtsp://zippy.cs.columbia.edu

CASE#38 4th arg missing 
m =audio 5555 RTP/AVP 
a=control:rtsp://zippy.cs.columbia.edu

CASE#39 3rd arg wrong transport protocol 
m =audio 5555 blah 0 
a=control:rtsp://zippy.cs.columbia.edu

CASE#40 4th arg not a number 
m =audio 5555 RTP/AVP yuyj 
a=control:rtsp://zippy.cs.columbia.edu

CASE#41 3rd and 4th args are missing 
m =audio 5555 
a=control:rtsp://zippy.cs.columbia.edu

CASE#42 2 m's on same line
m =audio 5555 RTP/AVP 42 m=
a=control:rtsp://zippy.cs.columbia.edu