# Constants
This refers to all the constants used on the wiki.

## Variables
* Base List Version: 255,
  increment by 1 every time List Version changes in a command article.
* Base Transaction ID: 1,
  increment by 1 every new client command in a command article.

## User Handles
* My E-mail Address and User Handle: `example@hotmail.com`
* Another User's E-mail Address and User Handle: `anotheruser@hotmail.com`
* A user that doesn't exist: `ghost@hotmail.com`
* John's Number: `1 (555) 1111-222`

## Group GUIDs
* The "Other Contacts" group GUID (GID 0): `d6deeacd-7849-4de4-93c5-d130915d0042`
* The "Friends" group GUID (GID 1): `f60efbe7-94af-4b16-b926-e4e10878d329`

## Contact GUIDs
* Another User's contact GUID: `c1f9a363-4ee9-4a33-a434-b056a4c55b98`
* My [Address Book Service](services/abservice.md) GUID: `00000000-0000-0000-0000-000000000000`
* John's (mobile-only contact) GUID: `a47e39cf-312c-4100-94a6-f2b33adf5b68`

## MSNP Servers
* The Dispatch Server: `10.0.0.1:1863`
* The Notification Server: `10.0.0.5:1863`
* The Switchboard Server: `10.0.1.200:1865`