SIP level bundeling

atul garg <[email protected]> Mon, 30 May 2011 14:52:13 +0530 (IST)
Newsgroups gmane.ietf.sip
Message-ID <[email protected]>
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Hello,

I was supposed to do some implementation for the SIP message coming over TC=
P, I ahve few questions in following cases-

1) I read that many SIP messages can be bundelled into one TCP packet, -
=A0=A0=A0=A0=A0 a) In this case, does all message belong to same SIP call(i=
e. same call id) - if so then when practiacally it is possible???
=A0=A0=A0=A0=A0 b) If these sip messages are of different calls, then again=
 what would be the scenario where IP and TCP level addresses are same but s=
till messgaes are of different calls.( How UCA and UAS - multiple SIP sessi=
on at same port ???)

2) In case of SIP fregmanmtion, I guess as TCP does not know the logical in=
telligence of SIP message, therefore sip message can be fregmented at any l=
ocation even in between sip header, before call is ..... am i correct ...

TIA
Atul

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<table cellspacing=3D"0" cellpadding=3D"0" border=3D"0" ><tr><td valign=3D"=
top" style=3D"font: inherit;">Hello,<br><br>I was supposed to do some imple=
mentation for the SIP message coming over TCP, I ahve few questions in foll=
owing cases-<br><br>1) I read that many SIP messages can be bundelled into =
one TCP packet, -<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; a) In this case, does a=
ll message belong to same SIP call(ie. same call id) - if so then when prac=
tiacally it is possible???<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; b) If these si=
p messages are of different calls, then again what would be the scenario wh=
ere IP and TCP level addresses are same but still messgaes are of different=
 calls.( How UCA and UAS - multiple SIP session at same port ???)<br><br>2)=
 In case of SIP fregmanmtion, I guess as TCP does not know the logical inte=
lligence of SIP message, therefore sip message can be fregmented at any loc=
ation even in between sip header, before call is ..... am i correct
 ...<br><br>TIA<br>Atul<br></td></tr></table>
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