
<----------*
INVITE

---------->*
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/2.0 200 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-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

<----------*
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


---------->
INVITE sip:109@[remote_ip]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
From: <sip:120@[local_ip]:[local_port]>;tag=24417923471779367133
To: <sip:109@[remote_ip]:[remote_port]>
Call-ID: [call_number]@[local_ip]
CSeq: [cseq+1] INVITE
Max-Forwards: 70
Contact: <sip:120@[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

<----------*
100 Trying

<----------
180 Ringing

<----------
200 OK

---------->
ACK sip:109@[remote_ip]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]ab
From: <sip:120@[local_ip]:[local_port]>;tag=24417923471779367133
To: <sip:109@[remote_ip]:[remote_port]>;[peer_tag_param]
Call-ID: [call_number]@[local_ip]
CSeq: [cseq] ACK
Max-Forwards: 70
Contact: <sip:120@[local_ip]:[local_port];transport=[transport]>
User-Agent: SIPInspector_v_[ver]
Content-Length: 0


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

---------->
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/2.0 200 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: [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

<----------
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

