aTalk (Jabber / XMPP)

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).