WARNING: erroneous pipeline: could not link rtpl16pay0 to udpsink0

[amsts]

I want to play a wave file as following 

 gst-launch-1.0 -v filesrc location=./mysong.wav ! wavparse ! audioconvert !
rtpL16pay ! application/x-rtp, payload=11, encoding-name=L16,
clock-rate=16000, channels=1 ! udpsink host=localhost port=6000

I am getting a warning :

WARNING: erroneous pipeline: could not link rtpl16pay0 to udpsink0

The warning is due to the payload. If I am removing the payload the vlc is
showing error :

A description in SDP format is required to receive the RTP stream. Note that
rtp:// URIs cannot work with dynamic RTP payload format (96)

My file information :
Input File     : 'mysong.wav'
Channels       : 2
Sample Rate    : 16000
Precision      : 16-bit
Duration       : 00:00:54.31 = 868984 samples ~ 4073.36 CDDA sectors
File Size      : 3.48M
Bit Rate       : 512k
Sample Encoding: 16-bit Signed Integer PCM

How to solve this problem.
Thank You




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