# Table of contents:

Introduction
Command information
Known changes
Client-server communication example

# Introduction

MSNP9 is the eighth released version of the Mobile Status Notification Protocol. It was introduced officially in Client Version 6.0.0312.

# Command information

It introduces the notification service commands:

No switchboard or dispatch service commands were known to be introduced in this version

It introduces the error codes:

The following commands were removed in this version:

PAG (returns 715)
LST (Only client-initated, the one in SYN is kept, removed in November, 2003 via automatic disconnect.)
LSG (Only client-initated, the one in SYN is kept, removed in November, 2003 via automatic disconnect.)

# Known changes

(from MSNP8):

CHG, ILN, NLN: Added an optional MSNObject parameter. Now you can tell other clients about image data associated with your account.
QNG: Added a "next ping" time (in seconds) parameter.
Switchboard MSG: Acknowledgement type D added. Can respond with either ACK, error 282, or possibly any other error codes.
NOT: Extended notifications are now supported via the <TEXTX> element.
Official Client: Error 603 is handled again after being removed in Client Version 5.0. Error code 711 is no longer handled after being implemented in Client Version 5.0.
Official Client: Supports the Messenger Config XML service, replacing svcs.microsoft.com.

# Client-server communication example

NOTE: This has been line-breaked. Lines beginning with .. followed by a space are continuations of the previous line.

C: VER 1 MSNP9 MSNP8 CVR0
S: VER 1 MSNP9
C: CVR 2 0x0409 winnt 5.1 i386 MSNMSGR 6.0.0602 MSMSGS example@hotmail.com
S: CVR 2 6.0.0602 6.0.0602 6.0.0268
.. http://download.microsoft.com/download/8/a/4/8a42bcae-f533-4468-b871-d2bc8dd32e9e/SetupDl.exe
.. http://messenger.msn.com
C: USR 3 TWN I example@hotmail.com
S: XFR 3 NS 10.0.0.5:1863 0 10.0.0.1:1863

Client disconnects from server

Client opens a connection to 10.0.0.5:1863

C: VER 4 MSNP9 MSNP8 CVR0
S: VER 4 MSNP9
C: CVR 5 0x0409 winnt 5.1 i386 MSNMSGR 6.0.0602 MSMSGS example@hotmail.com
S: CVR 5 6.0.0602 6.0.0602 6.0.0268
.. http://download.microsoft.com/download/8/a/4/8a42bcae-f533-4468-b871-d2bc8dd32e9e/SetupDl.exe
.. http://messenger.msn.com
C: USR 6 TWN I example@hotmail.com
S: USR 6 TWN S passport=parameters,neat=huh,lc=1033,id=507

The HTTPS interlude is described in the Passport 1.4 article.

C: USR 7 TWN S $(pp14response.headers.authenticationInfo["from-PP"])
S: USR 7 OK example@hotmail.com example%20user 1 0
S: MSG Hotmail Hotmail 448
MIME-Version: 1.0
Content-Type: text/x-msmsgsprofile; charset=UTF-8
LoginTime: 1726321960
EmailEnabled: 1
MemberIdHigh: 1
MemberIdLow: 2
lang_preference: 1033
PreferredEmail: example@hotmail.com
country: US
PostalCode: 
Gender: 
Kid: 0
Age: 
BDayPre: 
Birthday: 
Wallet: 
Flags: 1027
sid: 507
kv: 11
MSPAuth: whatever+t+is+in+your+passport+login+ticket+that+you+sent+for+USR+TWN+S$
ClientIP: 192.168.1.111
ClientPort: 18183

C: SYN 8 15
S: SYN 8 15
C: CHG 9 NLN
S: CHG 9 NLN
S: ILN 9 NLN anotheruser@hotmail.com another%20user 268435500 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
.. %20Size%3D%2225235%22%20Type%3D%223%22
.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
C: PNG
S: NLN NLN anotheruser@hotmail.com another%20user 268435500 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
.. %20Size%3D%2225235%22%20Type%3D%223%22
.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
S: QNG 60
S: NOT 457
<NOTIFICATION ver="1" id="2" siteid="0" siteurl="http://example.com/">
    <TO pid="0x00000001:0x00000002" name="example@hotmail.com" />
    <MSG id="0">
        <ACTION url="alert?command=action" />
        <SUBSCR url="alert?command=change" />
        <BODY lang="1033" icon="alerticon_32x32.png">
            <TEXT>This is an example notification.</TEXT>
            <TEXTX>&lt;P&gt;This is an &lt;B&gt;extended&lt;/B&gt; notification!&lt;/P&gt</TEXTX>
        </BODY>
    </MSG>
</NOTIFICATION>
C: OUT

Client disconnects from server

S: OUT

Server disconnects client