aTalk xmpp client for android with enhanced features:
* See https://xmpp.org/doap/atalk.doap for aTalk XEP's standards supported.
* Multiple accounts creation with XMPP or BOSH login protocol.
* In-Band Registration with CAPTCHA option; server must support this option.
* End-to-End OMEMO encryption enhancing privacy and security. See https://conversations.im/omemo/.
* OMEMO messaging in chat/multi-user chat sessions with online/offline clients.
* SSL Certificate authentication DNSSEC and DANE Security for enhanced secure Connection Establishment.
* Support TTS and speech recognition with enable option per chat session.
* Support Languages Translation for sent/received messages in chat/multi-user chat sessions.
* Language Translation server may use aTalk default or user defined URL.
* Media video call with SDES DTLS SRTP and ZRTP crypto algorithms with SHA-2 384 256bit ciphers encryptions.
* Media call setup is compatible with XEP-0353: Jingle Message Initiation or XEP-0167: Jingle RTP Sessions protocol.
* Support call transfer and call waiting hold or answer second incoming call.
* Implement Jabber VoIP-PBX gateway Telephony allowing PBX phone call via service gateway.
* Message Archive Management and Message Carbons synchronizing chat history across all instances of the account.
* Retract of sent messages and Last message correction in chat/multi-user chat sessions.
* Support XEP-0070: Verifying HTTP Requests via XMPP.
* Support XEP-0048: Bookmarks for multi-user chatroom.
* Support XEP-0191: Blocking Command to block messages from nuisance contacts and domains.
* Support both XEP-0153: vCard-Based Avatar and XEP-0084: User Avatar protocols.
* Update user avatar with integrated photo editor zooming and cropping with ease.
* GPS-Location as standalone tool send locations to buddy for real-time tracking or playback animation.
* A 360° street view of your current location use for self-guided tour. The street view tracks and follows your direction of sight.
* Stream Management and mobile network ping interval and self-tune optimization.
* Secured file sharing via HttpFileUpload or Jingle Encrypted Transport (JET).
* Fault-tolerance file transfer algorithm via HttpFileUpload fallback to Jingle File Transfer and Legacy In-Band/SOCK5 Bytestreams protocols.
* Support Stickers Bitmoji and Emoji rich contents sending.
* Auto accept file transfer with max file size option.
* User selectable option for heads-up notification and user defined quiet hours.
* Support share quote and forward messages and media with previews prior to sending.
* Support media player with functions: Play Pause Resume Stop and Seek.
* Support unread message badges in contact and chatroom list views.
* Multi-language UI support (Arabic Indonesian Chinese English Finnish German Portuguese (Brazil) Russian Slovak and Spanish).