# Table of contents:

# Introduction

ANS is a command introduced with MSNP2.

It is a Switchboard Server command, without either a request or response payload.

Used to join ("answer") a Switchboard session ("call"). The response of this command sent after the IRO list has been sent.

# Client/Request

ANS TrID my-handle cookie session-id

Where my-handle is the current user's handle. In MSNP16, a UUID is appended after a semi-colon, which is your MPOP Machine ID.

Where cookie is the cookie from the RNG command sent to you.

Where session-id is the session-id from the RNG command sent to you.

# Server/Response

ANS TrID OK

Where OK is always OK.

# Examples

# Answering a RNG 

S: RNG 987654331 10.0.1.200:1865 CKI 123456789.123456789.123456789 anotheruser@hotmail.com another%20user
C: ANS 1 example@hotmail.com 123456789.123456789.123456789 987654321
S: IRO 1 1 1 anotheruser@hotmail.com another%20user
S: ANS 1 OK

# Invalid session

NOTE: There is no defined behaviour for this command specificially. 

C: ANS 2 example@hotmail.com bad data

Server disconnects client.

# Invalid context (Notification Server)

Inherited from being an unimplemented command. 

C: ANS 3 example@hotmail.com wrong server

Server disconnects client.

# Known changes