c: application/SDP
l: 265
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o):-00INIP4192.168.2.13
Owner Username: -
Session ID: 0
Session Version: 0
Owner Network Type: IN
Owner Address Type: IP4
Owner Address: 192.168.2.13
Session Name (s): 0
Connection Information (c): IN IP4 192.168.2.13
Connection Network Type: IN
Connection Address Type: IP4
Connection Address: 192.168.2.13
Time Description, active time (t): 0 0
Session Start Time: 0
Session Start Time: 0
Media Description, name and address (m): audio 52394 RTP/AVP 0
Media Type: audio
Media Port: 52394
Media Proto: RTP/AVP
Media Format: 0
Bandwidth Information (b): AS:64
Bandwidth Modifier: AS
Bandwidth Value: 64
Media Attribute (a): ptime:20
Media Attribute Fieldname: ptime
Media Attribute Value: 20
Media Attribute (a): rtpmap:0 PCMU/8000
Media Attribute Fieldname: rtpmap
Media Attribute Value: 0 PCMU/8000
Media Attribute (a): curr:qos local sendrecv
Media Attribute Fieldname: curr
Media Attribute Value: qos local sendrecv
Media Attribute (a): curr:qos remote sendrecv
Media Attribute Fieldname: curr
Media Attribute Value: qos remote sendrecv
Media Attribute (a): des:qos mandatory local sendrecv
Media Attribute Fieldname: des
Media Attribute Value: qos mandatory local sendrecv
Media Attribute (a): des:qos mandatory remote sendrecv
Media Attribute Fieldname: des
Media Attribute Value: qos mandatory remote sendrecv
Figure 3-32 SIP 180 RINGING
180 RINGING
Session Initiation Protocol
Status line: SIP/2.0 180 Ringing
Status-Code: 180
Message Header
t: <sip:+17952425001@10.11.2.25;transport=sctp;user=phone>;tag=0-04-014-
40014-1443
SIP without Encapsulated ISUP - SIP
Message Examples
Call Flow
....................................................................................................................................................................................................................................
235-200-118
Issue 3.02B, March 2007
Lucent Technologies
3-69
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