msnp-wiki/docs/commands/ack.md

Introduction

ACK is a command introduced with MSNP2.

It is a Switchboard Server command, without a response payload.

Used as a positive response to MSG A, and later MSG D commands.

Client/Request

This command can not be sent from the client.

Server/Response

ACK TrID

Examples

As a response to MSG A

C: MSG 1 A 68
MIME-Version: 1.0
Content-Type: text/plain;charset=UTF-8

message
S: ACK 1

As a response to MSG D

Since MSNP9.

C: MSG 2 D 73
MIME-Version: 1.0
Content-Type: application/octet-stream

data message
S: ACK 2

Invalid context

Inherited from being an unimplemented command.

C: ACK 3

Server disconnects client.

Known changes

• MSNP9: Now happens as a response to MSG D.