
<----------
INVITE

----------
set_Variable=var1 "CSeq:" "*"

----------
set_Variable=var2 "Via:" "*"

---------->
SIP/2.0 100 Trying
[last_Via:]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
User-Agent: SIPInspector_v_[ver]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0


---------->
SIP/2.0 180 Ringing
[last_Via:]
[last_From:]
[last_To:];tag=[call_number]
[last_Call-ID:]
[last_CSeq:]
Require: 100rel
RSeq: 1234
User-Agent: SIPInspector_v_[ver]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0


<----------
PRACK

---------->
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
User-Agent: SIPInspector_v_[ver]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0


---------->
SIP/2.0 200 OK
Via:[$var2]
[last_From:]
[last_To:]
[last_Call-ID:]
CSeq: [$var1]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
User-Agent: SIPInspector_v_[ver]
Content-Type: application/sdp
Content-Length: [len]

v=0
o=111 843670094 843670094 IN [IP_ver] [local_ip_sdp]
s=-
c=IN [IP_ver] [local_ip_sdp]
t=0 0
a=sendrecv
m=audio [media_port] RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=ptime:20

<----------
ACK

----------
cmd_PlayPcap=.\pcap\test.pcap

<----------
BYE

---------->
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
User-Agent: SIPInspector_v_[ver]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0

