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xmpp/jabber client for android
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aTalk (Jabber / XMPP)

  • an encrypted instant messaging with video call and GPS features for android

aTalk Google PlayStore YouTube


aTalk is an xmpp client designed for android and supports the following features:

  • Instant messaging in plain text and End-to-End encryption with OMEMO or OTR
  • Implement Jabber VoIP-PBX gateway Telephony, allowing PBX phone call via service gateway (experimental)
  • SSL Certificate authentication, DNSSEC and DANE Security implementation for enhanced secure Connection Establishment
  • Omemo encryption is available during multi-user-chat session, giving users' maximum privacy and security
  • Support multi-user chat in room creation, server chat rooms discovery and joining chat room with captcha protection
  • Support both voice and video call with ZRTP, SDES and DTLS SRTP encryption modes
  • Support simultaneous media call and message chat sessions
  • Support http file upload for file sharing with offline contact and members in conference room
  • Send and receive files for all document types and images, with thumbnail preview before file is sent
  • Auto accept file transfer request with max file size option
  • Support downloadable Stickers, Bitmoji and Emoji rich content sharing via Google Gboard
  • Unique GPS-Location implementation standalone tool, or sending locations to your chosen buddy for real-time tracking or playback animation.
  • A 360° street view of your current location, may use for self-guided tour. The street view tracks and follows your direction of sight.
  • Built-in demo for GPS-Location features
  • Integrated photo editor with zooming and cropping, user can update the avatar with ease
  • Last message correction, message carbons and offline messages (omemo)
  • Mobile network ping interval self-tune optimization support
  • In-Band Registration with captcha support
  • Multiple accounts creation
  • Multi-language UI support (Bahasa Indonesia, English, German, Russian, and Spanish).

XMPP Features

aTalk works seamlessly with almost every XMPP servers available on network, limited only by servers features supported. It supports the following XEP's, standards for XMPP client devices.

Libraries used in this project


aTalk, android VoIP and Instant Messaging client

Copyright 2014 Eng Chong Meng
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.

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