# Table of contents:

Introduction
Command information
Known changes
Client-server communication example

# Introduction

MSNP11 is the tenth released version of the Mobile Status Notification Protocol.
It was introduced officially in Client Version 7.0.0777.

# Command information

It introduces the notification service commands:

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

No commands were known to be removed in this version

# Known changes

(from MSNP10):

QRY: Challenge response generation has been drastically overhauled.
TODO: Write annotated source code explaning new algorithm.
OUT RCT TimeBeforeRetry now exists.
TimeBeforeRetry is a numerical value in minutes that specifies the amount of time in minutes the client should wait before reconnecting.
All ABCHMigrated changes are now the default -ABCHMigrated: 0 is Undefined Behaviour from now on.
ADC: Now supports a telephone address (tel:) for N=.
Entire content of initial email notification changed from text/x-msmsgsinitialemailnotification to text/x-msmsgsinitialmdatanotification.
The new format is XML-based.
Offline Instant Messaging has been introduced, using text/x-msmsgsoimnotification messages from the Notification Server using a XML-based format, and a SOAP service for receiving message data.
Official Client: Feature blocks are implemented using the GCF command to download Shields.xml.
For more information read the Shields Configuration Data article.
Official Client: WebMessenger now canonically exists, the Client Capability flag 512 (0x200 mask) is set for clients online via this method.
Official Client: Notifications (NOT commands) with encoded <NotificationData> sub-documents are supported for spaces (blogs).
Official Client: Messenger Config requests now support regional arguments via SOAP.
Official Client: OUT SSD is actually implemented now.

# 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 MSNP11 MSNP10 MSNP9 CVR0
S: VER 1 MSNP11
C: CVR 2 0x0409 winnt 5.1 i386 MSNMSGR 6.0.0602 MSMSGS example@hotmail.com
S: CVR 2 6.1.0211 6.1.0211 6.1.0155
.. http://download.microsoft.com/download/8/3/C/83C4B2DB-AC1C-4B56-8144-4472C0982F21/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 MSNP11 MSNP10 MSNP9 CVR0
S: VER 4 MSNP11
C: CVR 5 0x0409 winnt 5.1 i386 MSNMSGR 6.0.0602 MSMSGS example@hotmail.com
S: CVR 5 6.1.0211 6.1.0211 6.1.0155
.. http://download.microsoft.com/download/8/3/C/83C4B2DB-AC1C-4B56-8144-4472C0982F21/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 $(pp14response.headers.authenticationInfo["from-PP"])
S: USR 7 OK example@hotmail.com 1 0
S: SBS 0 null
S: MSG Hotmail Hotmail 465
MIME-Version: 1.0
Content-Type: text/x-msmsgsprofile; charset=UTF-8
LoginTime: 1726321960
EmailEnabled: 1
MemberIdHigh: 1
MemberIdLow: 2
lang_preference: 1033
PreferredEmail: example@hotmail.com
country: US
PostalCode: 
Gender: 
Kid: 0
Age: 
BDayPre: 
Birthday: 
Wallet: 
Flags: 1027
sid: 507
kv: 11
MSPAuth: whatever+t+is+in+your+passport+login+ticket+that+you+sent+for+USR+TWN+S$
ClientIP: 192.168.1.111
ClientPort: 18183
ABCHMigrated: 1

C: SYN 8 2024-09-28T17:18:18.6400000-07:00 2024-09-28T17:18:18.6400000-07:00
S: SYN 8 2024-09-28T17:18:18.6400000-07:00 2024-09-28T17:18:18.6400000-07:00
C: GCF 9 Shields.xml
S: GCF 9 Shields.xml 145
<?xml version="1.0" encoding="utf-8" ?><config><shield><cli maj="7" min="0" minbld="0" maxbld="9999" deny=" " /></shield><block></block></config>
C: CHG 10 NLN
S: CHG 10 NLN
C: UUX 11 53
<Data><PSM></PSM><CurrentMedia></CurrentMedia></Data>
S: UUX 11 0
S: ILN 10 NLN anotheruser@hotmail.com another%20user 1073791084
S: UBX anotheruser@hotmail.com 67
<Data><PSM>new feature :P</PSM><CurrentMedia></CurrentMedia></Data>
C: ADC 11 FL N=tel:15551111222 F=john
S: ADC 11 FL N=tel:15551111222 F=john C=a47e39cf-312c-4100-94a6-f2b33adf5b68
C: ADC 12 AL N=tel:15551111222
S: ADC 12 AL N=tel:15551111222
S: NOT 1264
<NOTIFICATION id="2" siteid="45705" siteurl="http://storage.msn.com/">
    <TO pid="0x00000001:0x00000002" name="example@hotmail.com">
        <VIA agent="messenger"/>
    </TO>
    <MSG id="0">
        <ACTION url="a.htm" />
        <SUBSCR url="s.htm" />
        <BODY>
            &lt;NotificationData
                xmlns:xsd=&quot;http://www.w3.org/2001/XMLSchema&quot;
                xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
            &gt;
                &lt;SpaceHandle&gt;
                    &lt;ResourceID&gt;example1!101&lt;/ResourceID&gt;
                &lt;/SpaceHandle&gt;
                &lt;ComponentHandle&gt;
                    &lt;ResourceID&gt;example2!101&lt;/ResourceID&gt;
                &lt;/ComponentHandle&gt;
                &lt;OwnerCID&gt;4294967298&lt;/OwnerCID&gt;
                &lt;LastModifiedDate&gt;2024-10-26T09:33:27.1020000-08:00&lt;/LastModifiedDate&gt;
                &lt;HasNewItem&gt;true&lt;HasNewItem&gt;
                &lt;ComponentSummary&gt;
                    &lt;Component xsi:type=&quot;MessageContainer&quot;&gt;
                        &lt;ResourceID&gt;example2!102&lt;/ResourceID&gt;
                    &lt;/Component&gt;
                    &lt;Items&gt;
                        &lt;Component xsi:type=&quot;Message&quot;&gt;
                            &lt;ResourceID&gt;example2!101&lt;/ResourceID&gt;
                        &lt;/Component&gt;
                    &lt;/Items&gt;
                &lt;/ComponentSummary&gt;
            &lt;/NotificationData&gt;
        </BODY>
    </MSG>
</NOTIFICATION>
C: OUT

Client disconnects from server.

S: OUT

Server disconnects client.