# Table of contents:

• Introduction
• Client/Request
• Server/Response
  • Examples
    • No subscription
    • Subscription active
    • Synchronous request
• Known changes

# Introduction

SBS is a command introduced with MSNP11.

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

Tells the client about the current subscription status.

# Client/Request

This command can not be sent from the client.

# Server/Response

SBS TrID subscription-data

If this is an asynchronous use of this command, the Transaction ID (or TrID) will be set to 0.

Where subscription-data is either:

1. SC=subscription-class;SI=si;SS=subscription-status;PS=payment-status

   Where subscription-class is either:

   • 2ad5b0fad0464b7f9577c2a3ac0a13f1 for CPP
   • 88e53f49b577463dba43689bd59205be for PPP
   • 200706afd0be4fc69949a37f4c5db3e1 for ImInterop

   Where si is a 16-character string.

   Where subscription-status is a number between 0 and 999, usually 2. A value of 3 denotes an error.

   Where payment-status is a number between 0 and 999, usually 2. A value other than 2 denotes an error.

2. null

# Examples

# No subscription

S: SBS 0 null

# Subscription active

S: SBS 0 SC=2ad5b0fad0464b7f9577c2a3ac0a13f1;SI=0000000000000000;SS=2;PS=2

# Synchronous request

C: GSB 1
S: SBS 1 SC=2ad5b0fad0464b7f9577c2a3ac0a13f1;SI=0000000000000000;SS=2;PS=2

# Known changes

None.