title: SIPP with Proxy Media
body: <p>I am using SIPP to load test a proxy media server. I am not able to set the IP and port of the proxy media server on the SDP generated by SIPP,
  I get the below error,</p>
  
  <p>./sipp -sn uac -d 10000 -l 1000 -i 192.12.24.32 -p 50970 -mi 65.67.8.99 -mp 48321 10.12.24.32:5060 -sf uac_pcap.xml</p>
  
  <p>Unable to bind audio RTP socket (IP=65.67.8.99, port=48322), errno = 99 (Cannot assign requested address).</p>
  
  <pre><code>  v=0
    o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
    s=-
    t=0 0
    c=IN IP[local_ip_type] [media_ip]
    m=audio [auto_media_port] RTP/AVP 8
    a=rtpmap:8 PCMA/8000
  </code></pre>
  
  <p>Please help !!!</p>