No. Time Source Destination Protocol
3 0.009381 172.16.0.15 172.16.0.174 SIP
Info
Request: REGISTER sip:172.16.0.174
Frame 3 (287 bytes on wire, 287 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1033 (1033), Dst Port: 1025 (1025)
Session Initiation Protocol
Request-Line: REGISTER sip:172.16.0.174 SIP/2.0
Method: REGISTER
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
From: sip:
To: sip:
Call-ID:
CSeq: 1 REGISTER
Contact: sip::5060
Expires: 6400
Content-Length: 0
No. Time Source Destination Protocol
4 0.197974 172.16.0.174 172.16.0.15 SIP
Info
Status: 200 OK (1 bindings)
Frame 4 (268 bytes on wire, 268 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Status-Line: SIP/2.0 200 OK
Status-Code: 200
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
From: sip:
To: sip:
Call-ID:
CSeq: 1 REGISTER
Contact: sip::5060
Expires: 6400
Content-Length: 0
No. Time Source Destination Protocol
5 2.638596 172.16.0.15 172.16.0.174 SIP
Info
Request: REGISTER sip:172.16.0.174
Frame 5 (287 bytes on wire, 287 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1034 (1034), Dst Port: 1025 (1025)
Session Initiation Protocol
Request-Line: REGISTER sip:172.16.0.174 SIP/2.0
Method: REGISTER
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.91:5060
From: sip:
To: sip:
Call-ID:
CSeq: 1 REGISTER
Contact: sip::5060
Expires: 6400
Content-Length: 0
No. Time Source Destination Protocol
6 2.831267 172.16.0.174 172.16.0.15 SIP
Info
Status: 200 OK (1 bindings)
Frame 6 (268 bytes on wire, 268 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1034 (1034)
Session Initiation Protocol
Status-Line: SIP/2.0 200 OK
Status-Code: 200
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.91:5060
From: sip:
To: sip:
Call-ID:
CSeq: 1 REGISTER
Contact: sip::5060
Expires: 6400
Content-Length: 0
No. Time Source Destination Protocol
7 7.009509 172.16.0.15 172.16.0.174 SIP/SDP
Info
Request: INVITE sip:172.16.0.91, with session description
Frame 7 (790 bytes on wire, 790 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1033 (1033), Dst Port: 1025 (1025)
Session Initiation Protocol
Request-Line: INVITE sip:172.16.0.91 SIP/2.0
Method: INVITE
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
Max-Forwards: 70
Route: <sip:172.16.0.174>
From: "zmhxp1" <sip:172.16.0.92>;tag=1234
To: <sip:172.16.0.91>
Call-ID:
CSeq: 2 INVITE
Contact: "zmhxp1" <sip:172.16.0.92:5060>
User-Agent: RTC/1.2
Content-Type: application/sdp
Content-Length: 730
Message body
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): - 0 0 IN IP4 172.16.0.92
Session Name (s): session
Connection Information (c): IN IP4 172.16.0.92
Bandwidth Information (b): CT:1000
Time Description, active time (t): 0 0
Media Description, name and address (m): audio 37572 RTP/AVP 112 101
Encryption Key (k): base64:fplsa
Media Attribute (a): rtpmap:112 G7221/16000
Media Attribute (a): fmtp:112 bitrate=24000
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-16
Media Attribute (a): encryption:optional
Media Description, name and address (m): video 33232 RTP/AVP 34
Encryption Key (k): base64:SdtjN
Media Attribute (a): rtpmap:34 H263/9000
Media Attribute (a): encryption:optional
Media Description, name and address (m): application 1503 tcp msdata
Media Attribute (a): sendonly
Media Attribute (a): encryption:optional
No. Time Source Destination Protocol
8 7.235814 172.16.0.174 172.16.0.15 SIP/SDP
Info
Request: INVITE sip:172.16.0.91:5060, with session description
Frame 8 (838 bytes on wire, 838 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Request-Line: INVITE sip:172.16.0.91:5060 SIP/2.0
Method: INVITE
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.174:5060
Via: SIP/2.0/UDP 172.16.0.92:5060
Max-Forwards: 69
Record-Route: <sip:172.16.0.174>
From: "zmhxp1" <sip:172.16.0.92>;tag=1234
To: <sip:172.16.0.91>
Call-ID:
CSeq: 2 INVITE
Contact: "zmhxp1" <sip:172.16.0.92:5060>
User-Agent: RTC/1.2
Content-Type: application/sdp
Content-Length: 730
Message body
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): - 0 0 IN IP4 172.16.0.92
Session Name (s): session
Connection Information (c): IN IP4 172.16.0.92
Bandwidth Information (b): CT:1000
Time Description, active time (t): 0 0
Media Description, name and address (m): audio 37572 RTP/AVP 112 101
Encryption Key (k): base64:fplsa
Media Attribute (a): rtpmap:112 G7221/16000
Media Attribute (a): fmtp:112 bitrate=24000
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-16
Media Attribute (a): encryption:optional
Media Description, name and address (m): video 33232 RTP/AVP 34
Encryption Key (k): base64:SdtjN
Media Attribute (a): rtpmap:34 H263/9000
Media Attribute (a): encryption:optional
Media Description, name and address (m): application 1503 tcp msdata
Media Attribute (a): sendonly
Media Attribute (a): encryption:optional
No. Time Source Destination Protocol
9 7.276438 172.16.0.174 172.16.0.15 SIP
Info
Status: 100 Trying
Frame 9 (221 bytes on wire, 221 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Status-Line: SIP/2.0 100 Trying
Status-Code: 100
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
From: sip:;tag=1234
To: <sip:172.16.0.91>
Call-ID:
CSeq: 2 INVITE
Content-Length: 0
No. Time Source Destination Protocol
10 8.521710 172.16.0.15 172.16.0.174 SIP
Info
Request: ACK sip:172.16.0.91:5060
Frame 10 (301 bytes on wire, 301 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1033 (1033), Dst Port: 1025 (1025)
Session Initiation Protocol
Request-Line: ACK sip:172.16.0.91:5060 SIP/2.0
Method: ACK
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
Max-Forwards: 70
Route: <sip:172.16.0.174>,<sip:172.16.0.15>
From: ;tag=1234
To: ;tag=1432
Call-ID:
CSeq: 3 ACK
Content-Length: 0
No. Time Source Destination Protocol
11 8.678498 172.16.0.174 172.16.0.15 SIP
Info
Request: ACK sip:172.16.0.91:5060
Frame 11 (300 bytes on wire, 300 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Request-Line: ACK sip:172.16.0.91:5060 SIP/2.0
Method: ACK
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.174:5060
Via: SIP/2.0/UDP 172.16.0.92:5060
Route: <sip:172.16.0.15>
From: ;tag=1234
To: ;tag=1432
Call-ID:
CSeq: 3 ACK
Content-Length: 0
No. Time Source Destination Protocol
12 9.934483 172.16.0.15 172.16.0.174 SIP
Info
Status: 180 Ringing
Frame 12 (408 bytes on wire, 408 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1033 (1033), Dst Port: 1025 (1025)
Session Initiation Protocol
Status-Line: SIP/2.0 180 Ringing
Status-Code: 180
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.174:5060
Via: SIP/2.0/UDP 172.16.0.92:5060
Record-Route: <sip:172.16.0.174>
From: "zmhxp1" <sip:172.16.0.92>;tag=1234
To: "zmhxp3" <sip:172.16.0.91>;tag=1432
Call-ID:
CSeq: 2 INVITE
Contact: "zmhxp3" <sip:172.16.0.91:5060>
User-Agent: RTC/1.3
Content-Type: application/sdp
Content-Length: 0
No. Time Source Destination Protocol
13 10.140494 172.16.0.174 172.16.0.15 SIP
Info
Status: 180 Ringing
Frame 13 (372 bytes on wire, 372 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Status-Line: SIP/2.0 180 Ringing
Status-Code: 180
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
Record-Route: <sip:172.16.0.174>
From: "zmhxp1" <sip:172.16.0.92>;tag=1234
To: "zmhxp3" <sip:172.16.0.91>;tag=1432
Call-ID:
CSeq: 2 INVITE
Contact: "zmhxp3" <sip:172.16.0.91:5060>
User-Agent: RTC/1.3
Content-Type: application/sdp
Content-Length: 0
No. Time Source Destination Protocol
14 11.275472 172.16.0.15 172.16.0.174 SIP
Info
Request: BYE sip:172.16.0.91:5060
Frame 14 (283 bytes on wire, 283 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1033 (1033), Dst Port: 1025 (1025)
Session Initiation Protocol
Request-Line: BYE sip:172.16.0.91:5060 SIP/2.0
Method: BYE
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
Max-Forwards: 70
Route: <sip:172.16.0.174>
From: ;tag=1234
To: ;tag=1432
Call-ID:
CSeq: 1 BYE
Content-Length: 0
No. Time Source Destination Protocol
15 11.433500 172.16.0.174 172.16.0.15 SIP
Info
Request: BYE sip:172.16.0.91:5060
Frame 15 (292 bytes on wire, 292 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Request-Line: BYE sip:172.16.0.91:5060 SIP/2.0
Method: BYE
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.174:5060
Via: SIP/2.0/UDP 172.16.0.92:5060
Max-Forwards: 69
From: ;tag=1234
To: ;tag=1432
Call-ID:
CSeq: 1 BYE
Content-Length: 0
No. Time Source Destination Protocol
16 12.964048 172.16.0.15 172.16.0.174 SIP/SDP
Info
Status: 200 OK, with session description
Frame 16 (817 bytes on wire, 817 bytes captured)
Ethernet II, Src: 172.16.0.15 (00:50:ba:0c:dc:ad), Dst: 172.16.0.174 (00:14:97:0f:01:ff)
Internet Protocol, Src: 172.16.0.15 (172.16.0.15), Dst: 172.16.0.174 (172.16.0.174)
User Datagram Protocol, Src Port: 1033 (1033), Dst Port: 1025 (1025)
Session Initiation Protocol
Status-Line: SIP/2.0 200 OK
Status-Code: 200
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.174:5060
Via: SIP/2.0/UDP 172.16.0.92:5060
Record-Route: <sip:172.16.0.174>
From: "zmhxp1" <sip:172.16.0.92>;tag=1234
To: "zmhxp3" <sip:172.16.0.91>;tag=1432
Call-ID:
CSeq: 2 INVITE
Contact: "zmhxp3" <sip:172.16.0.91:5060>
User-Agent: RTC/1.3
Content-Type: application/sdp
Content-Length: 730
Message body
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): - 0 0 IN IP4 172.16.0.92
Session Name (s): session
Connection Information (c): IN IP4 172.16.0.92
Bandwidth Information (b): CT:1000
Time Description, active time (t): 0 0
Media Description, name and address (m): audio 37572 RTP/AVP 112 101
Encryption Key (k): base64:fplsa
Media Attribute (a): rtpmap:112 G7221/16000
Media Attribute (a): fmtp:112 bitrate=24000
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-16
Media Attribute (a): encryption:optional
Media Description, name and address (m): video 33232 RTP/AVP 34
Encryption Key (k): base64:SdtjN
Media Attribute (a): rtpmap:34 H263/9000
Media Attribute (a): encryption:optional
Media Description, name and address (m): application 1503 tcp msdata
Media Attribute (a): sendonly
Media Attribute (a): encryption:optional
No. Time Source Destination Protocol
17 13.209146 172.16.0.174 172.16.0.15 SIP/SDP
Info
Status: 200 OK, with session description
Frame 17 (781 bytes on wire, 781 bytes captured)
Ethernet II, Src: 172.16.0.174 (00:14:97:0f:01:ff), Dst: 172.16.0.15 (00:50:ba:0c:dc:ad)
Internet Protocol, Src: 172.16.0.174 (172.16.0.174), Dst: 172.16.0.15 (172.16.0.15)
User Datagram Protocol, Src Port: 1025 (1025), Dst Port: 1033 (1033)
Session Initiation Protocol
Status-Line: SIP/2.0 200 OK
Status-Code: 200
Resent Packet: False
Message Header
Via: SIP/2.0/UDP 172.16.0.92:5060
Record-Route: <sip:172.16.0.174>
From: "zmhxp1" <sip:172.16.0.92>;tag=1234
To: "zmhxp3" <sip:172.16.0.91>;tag=1432
Call-ID:
CSeq: 2 INVITE
Contact: "zmhxp3" <sip:172.16.0.91:5060>
User-Agent: RTC/1.3
Content-Type: application/sdp
Content-Length: 730
Message body
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): - 0 0 IN IP4 172.16.0.92
Session Name (s): session
Connection Information (c): IN IP4 172.16.0.92
Bandwidth Information (b): CT:1000
Time Description, active time (t): 0 0
Media Description, name and address (m): audio 37572 RTP/AVP 112 101
Encryption Key (k): base64:fplsa
Media Attribute (a): rtpmap:112 G7221/16000
Media Attribute (a): fmtp:112 bitrate=24000
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute (a): fmtp:101 0-16
Media Attribute (a): encryption:optional
Media Description, name and address (m): video 33232 RTP/AVP 34
Encryption Key (k): base64:SdtjN
Media Attribute (a): rtpmap:34 H263/9000
Media Attribute (a): encryption:optional
Media Description, name and address (m): application 1503 tcp msdata
Media Attribute (a): sendonly
Media Attribute (a): encryption:optional