./sipping.py -r sip-options.txt -d $1 -p $2 -S $3 -P $4 -c 1 -i 2 -vuser:bdt -vdt:date
sent Request OPTIONS to 10.126.45.208:5108 cseq=0 len=555
received Response 200 OK from 10.126.45.208:5108 cseq=0
1 packets transmitted, 1 packets received, 0.0% packet loss