[SIPForum-discussion] Media Play Call Flow
Siva M-Q16748
sivam at motorola.com
Wed Apr 18 08:40:37 UTC 2007
Why is this re-INVITE towards C for ??
In My case there would be a Media Server connected to AS which would
play the announcement
Siva M
SIG - Converged Core
Bangalore
Phone +91 80 66144032
-----Original Message-----
From: XuRui [mailto:BeShrek at msn.com]
Sent: Wednesday, April 18, 2007 2:00 PM
To: Siva M-Q16748; discussion at sipforum.org
Subject: Re: [SIPForum-discussion] Media Play Call Flow
Hi,
I hope this sequence will be what you need.
But it looks something strange for me that B could listen to
announcement after it times out.
Hope it helpful.
A AS B C
MS
| INVITE | | |
|
|------------------>| INVITE | |
|
| 100 |------------------>| |
|
|<------------------| | |
|
| | 100 | |
|
| |<------------------| |
|
| | 180 | |
|
| 180 |<------------------| |
|
|<------------------| | |
|
| | 408 | |
|
| |<------------------| |
|
| | ACK | |
|
| |------------------>| |
|
| | | |
|
| | INV | |
|
| |------------------>| |
|
| | 100 | |
|
| |<------------------| |
|
| | 200 | |
|
| |<------------------| |
|
| | ACK | |
|
| |------------------>| |
|
| | | |
|
| | INV | |
|
|
|---------------------------------------------------------->|
| | INV | |
|
| |-------------------------------------->|
|
| | 100 | |
|
|
|<----------------------------------------------------------|
| | 100 | |
|
| |<--------------------------------------|
|
| | 200 | |
|
|
|<----------------------------------------------------------|
| | ACK | |
|
|
|---------------------------------------------------------->|
| | re-INVITE | |
|
| |------------------>| |
|
| | 100 | |
|
| |<------------------| |
|
| | 200 | |
|
| |<------------------| |
|
| | ACK | |
|
| |------------------>| |
|
| | 200 | |
|
| |<--------------------------------------|
|
| | ACK | |
|
| |-------------------------------------->|
|
| 200 | | |
|
|<------------------| | |
|
| ACK | | |
|
|------------------>| | |
|
| re-INVITE | | |
|
|<------------------| | |
|
| 100 | | |
|
|------------------>| | |
|
| 200 | | |
|
|------------------>| | |
|
| ACK | | |
|
|<------------------| | |
|
| | | |
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~
| | Session Media... |
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~
| | | |
|
Regards,
XuRui
----- Original Message -----
From: "Siva M-Q16748" <sivam at motorola.com>
To: <discussion at sipforum.org>
Sent: Wednesday, April 18, 2007 3:41 PM
Subject: [SIPForum-discussion] Media Play Call Flow
> Hi
>
> Could anyone help me with how the call flow should be for the below
> mentioned scenario
>
> A calls B
> B Rings and Times out
> Application server sends INVITE for C
> Parallelly Application server has to play announcement for B that call
> is being Forwarded.
> Once C answers A and C should get connected .
>
> Regards,
> Siva M
>
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