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Session Initiation Protocol (INVITE)
Request-Line: INVITE sip:34020000001180000002@3402000000 SIP/2.0
Message Header
Via: SIP/2.0/UDP 192.168.1.134:5060;rport;branch=z9hG4bK741052420
From: <sip:34020000002000000001@3402000000>;tag=334479113
To: <sip:34020000001180000002@3402000000>
Call-ID: 655742294
CSeq: 20 INVITE
Contact: <sip:34020000002000000001@192.168.1.134:5060>
Content-Type: application/sdp
Max-Forwards: 70
User-Agent: exosipdemo/0.0.0
Subject: 34020000001320000004:1,34020000004000000001:1
Content-Length: 273
Message Body
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): 34020000004000000001 0 0 IN IP4 192.168.1.134
Session Name (s): Playback
URI of Description (u): 34020000001320000004:3
Connection Information (c): IN IP4 192.168.1.134
Time Description, active time (t): 1520728052 1520729999
Media Description, name and address (m): video 5061 RTP/AVP 96 98 97
Media Attribute (a): recvonly
Media Attribute (a): rtpmap:96 PS/90000
Media Attribute (a): rtpmap:98 H264/90000
Media Attribute (a): rtpmap:97 MPEG4/90000
Unknown: y=1200000001
Unknown: f=
Session Initiation Protocol (400)
Status-Line: SIP/2.0 400 Bad Request
Message Header
Via: SIP/2.0/UDP 192.168.1.134:5060;rport=5060;branch=z9hG4bK741052420
From: <sip:34020000002000000001@3402000000>;tag=334479113
To: <sip:34020000001180000002@3402000000>;tag=997336290
Call-ID: 655742294
CSeq: 20 INVITE
User-Agent: Embedded Net DVR/NVR/DVS
Content-Length: 0
INVITE sip:34020000001320000001@3402000000 SIP/2.0
Call-ID: 05e8affcd324bff50b631f49e6020acb@0.0.0.0
CSeq: 1 INVITE
From: <sip:34020000002000000001@3402000000>;tag=18061828_53173353_08f1fbb7-381b-45bb-a457-725a566012a9
To: <sip:34020000001320000001@3402000000>
Max-Forwards: 70
Contact: "34020000002000000001" <sip:192.168.2.12:5100>
Content-Type: application/sdp
Route: <sip:34020000001320000001@192.168.13.155:7010;lr>
Via: SIP/2.0/UDP 192.168.2.12:5100;branch=z9hG4bK08f1fbb7-381b-45bb-a457-725a566012a9_53173353_3577300819576244
Content-Length: 225
v=0
o=34020000001320000001 0 0 IN IP4 192.168.13.155
s=Play
c=IN IP4 192.168.13.155
t=0 0
m=video 6000 RTP/AVP 96 98 97
a=recvonly
a=rtpmap:96 PS/90000
a=rtpmap:98 H264/90000
a=rtpmap:97 MPEG4/90000
y=0100000001
f=
Session Initiation Protocol (INVITE)
Request-Line: INVITE sip:34020000001180000002@3402000000 SIP/2.0
Message Header
Via: SIP/2.0/UDP 192.168.1.134:5060;rport;branch=z9hG4bK3552532082
From: <sip:34020000002000000001@3402000000>;tag=3613302276
To: <sip:34020000001180000002@3402000000>
Call-ID: 3124317512
CSeq: 20 INVITE
Contact: <sip:34020000002000000001@192.168.1.134:5060>
Content-Type: application/sdp
Max-Forwards: 70
User-Agent: exosipdemo/0.0.0
Content-Length: 221
Message Body
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): 34020000004000000001 0 0 IN IP4 192.168.1.134
Session Name (s): Play
Connection Information (c): IN IP4 192.168.1.134
Time Description, active time (t): 0 0
Media Description, name and address (m): video 5061 RTP/AVP 96 98 97
Media Attribute (a): recvonly
Media Attribute (a): rtpmap:96 PS/90000
Media Attribute (a): rtpmap:98 H264/90000
Media Attribute (a): rtpmap:97 MPEG4/90000
Unknown: y=0200000001
应答还是:
Session Initiation Protocol (400)
Status-Line: SIP/2.0 400 Bad Request
Message Header
Via: SIP/2.0/UDP 192.168.1.134:5060;rport=5060;branch=z9hG4bK3552532082
From: <sip:34020000002000000001@3402000000>;tag=3613302276
To: <sip:34020000001180000002@3402000000>;tag=1899996222
Call-ID: 3124317512
CSeq: 20 INVITE
User-Agent: Embedded Net DVR/NVR/DVS
Content-Length: 0