![](img/ANDROID.png)
IOS
RFC-3920:Core
RFC-3921:Instant Messaging and Presence
XEP-0012 Last Activity
XEP-0016 Privact lists
XEP-0054 VCARD-temp
XEP-0085 Chat State Notifications
XEP-0153 vCard-Based Avatars
XEP-0172 User Nickname
XEP-0184 Message delivery receipts
XEP-0191 Blocking commands
XEP-0198 Stream Management
XEP-0199 XMPP Ping
XEP-0176: Jingle ICE-UDP
XEP-0136: Message Archiving
XEP-0045: Multi-User Chat
![](img/App%20Store%20-%20Apple.png)
![](img/IOS.png)
ANDROID
RFC-3920:Core
RFC-3921:Instant Messaging and Presence
XEP-0012 Last Activity
XEP-0016 Privact lists
XEP-0054 VCARD-temp
XEP-0085 Chat State Notifications
XEP-0153 vCard-Based Avatars
XEP-0172 User Nickname
XEP-0184 Message delivery receipts
XEP-0191 Blocking commands
XEP-0198 Stream Management
XEP-0199 XMPP Ping
XEP-0176: Jingle ICE-UDP
XEP-0136: Message Archiving
XEP-0045: Multi-User Chat
![](img/App%20Store%20-%20Google%20Play.png)
AstraChat for Desktop
![](img/MACOSX.png)
MAC
RFC-3920:Core
RFC-3921:Instant Messaging and Presence
XEP-0012 Last Activity
XEP-0016 Privact lists
XEP-0054 VCARD-temp
XEP-0085 Chat State Notifications
XEP-0153 vCard-Based Avatars
XEP-0172 User Nickname
XEP-0184 Message delivery receipts
XEP-0191 Blocking commands
XEP-0198 Stream Management
XEP-0199 XMPP Ping
XEP-0136: Message Archiving
XEP-0045: Multi-User Chat
![](img/WINDOWS.png)
WINDOWS
RFC-3920:Core
RFC-3921:Instant Messaging and Presence
XEP-0012 Last Activity
XEP-0016 Privact lists
XEP-0054 VCARD-temp
XEP-0085 Chat State Notifications
XEP-0153 vCard-Based Avatars
XEP-0172 User Nickname
XEP-0184 Message delivery receipts
XEP-0191 Blocking commands
XEP-0198 Stream Management
XEP-0199 XMPP Ping
XEP-0136: Message Archiving
XEP-0045: Multi-User Chat
![](img/LINUX.png)
LINUX
RFC-3920:Core
RFC-3921:Instant Messaging and Presence
XEP-0012 Last Activity
XEP-0016 Privact lists
XEP-0054 VCARD-temp
XEP-0085 Chat State Notifications
XEP-0153 vCard-Based Avatars
XEP-0172 User Nickname
XEP-0184 Message delivery receipts
XEP-0191 Blocking commands
XEP-0198 Stream Management
XEP-0199 XMPP Ping
XEP-0136: Message Archiving
XEP-0045: Multi-User Chat