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 none
Media Attribute Fieldname: curr
Media Attribute Value: qos local none
Media Attribute (a): curr:qos remote none
Media Attribute Fieldname: curr
Media Attribute Value: qos remote none
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
Media Attribute (a): conf:qos remote sendrecv
Media Attribute Fieldname: conf
Media Attribute Value: qos remote sendrecv
Figure 3-30 SIP UPDATE {SDP}
UPDATE
Session Initiation Protocol
Request line: UPDATE sip:+17952425001@10.11.2.25;transport=sctp;user=phone
SIP/2.0
Method: UPDATE
Message Header
t: <sip:+17952425001@10.11.2.25;transport=sctp;user=phone>;tag=0-04-014-
40014-1443
f: <sip:+18152205000@10.11.2.9;transport=sctp;user=phone>;tag=0-02-014-
00014-1441
i: 110675ba-ee530082-e05d75ce@LABM1
CSeq: 2 UPDATE
v: SIP/2.0/SCTP 10.11.2.9:1;branch=z9hG4bK0140116.ebbe.00000002
m: <10.11.2.9:1>
Max-Forwards: 20
MIME-Version: 1.0
c: application/SDP
l: 259
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o):-00INIP4192.168.2.5
Owner Username: -
Session ID: 0
SIP without Encapsulated ISUP - SIP
Message Examples
Call Flow
....................................................................................................................................................................................................................................
235-200-118
Issue 3.02B, March 2007
Lucent Technologies
3-67