Messages received by the server are processed in per-family FIFO order. TLV messages are sequenced and MUST be sent in sequenced order. For compatibility with firewalls and proxies, connections over port 443 MUST be treated like pure HTTPS connections, meaning that clients MUST immediately begin - and complete - a TLS negotiation before any IMPP-specific communication occurs. The standard IMPP port is 3158, but servers SHOULD also listen on ports 80 and 443. For example, to find the server associated with the IM address a client MUST construct a DNS SRV query with a service of "impp", a protocol of "tcp", and a name that corresponds to the domain of the IMPP service to be connected to for example, "_impp._". Server discovery is done via DNS SRV lookups. Exchange messages with other entities on the network.Activate incoming and outgoing presence for the device.Bind a device to the stream and retrieve presence lists, group chats, and offline messages.Authenticate using a domain-specific IM address and password.Negotiate the features for the IMPP stream, including TLS and compression.Open a TCP connection to the selected IP address and port.Determine the IP address and port at which to connect based on resolution of a DNS service record.As such, the general flow of an IMPP session somewhat mirrors that of XMPP: Over the years, best efforts have been made to keep the protocol flow reasonably compatible with XMPP with the long term idea of enabling federation between IMPP and XMPP servers. IMPP is a binary protocol that works by establishing a TCP connection to an IMPP server, authenticating with that server, and then exchanging messages with that server in order to reach other clients. Multi-device awareness: state and messages are shared between all connected devices.Intelligent presence: idle and mobile devices are tracked to determine the best status to advertise.Invisibility with allow and block lists.Leverage of existing standards when applicable: TLS, SIP, ICE, TURN, RTP, etc.Extendable: Trillian-specific extensions for continuous client, cloud history, and more.Clients are required to use TLS and may optionally utilize DEFLATE-based compression.Capability-based offline messaging: devices will only retrieve messages of supported message types.Capability-based messaging: devices can be shielded from unsupported message types.Authorization-based contact lists: only users you approve can track your presence.In an effort to promote interoperability between instant messaging providers, we've decided to open the protocol to the public. Today, what we creatively refer to as our "instant messaging and presence protocol", or IMPP, is used by Trillian customers as the protocol that powers our fully-featured IM network. At the time, our ambitions were twofold: we wanted a way to protect ourselves against being blocked by other IM providers while also opening the door to in-house innovations like Trillian's "continuous client" feature. We started building our own IM protocol at Cerulean Studios back in 2001. INTEROPERABLE: Of course, Trillian wouldn't be Trillian without support for Facebook Chat, Google Talk, AIM, ICQ, Yahoo!, and XMPP.ĭownload APK (32.7 MB) Trillian 6.2.0.16 for Androidĭownload APK (13.2 MB) Trillian 6.2.0.15 for Androidĭownload APK (13.27 MB) Trillian 6.2.0.14 for Androidĭownload APK (13.27 MB) Trillian 6.1.0.21 for Androidĭownload APK (10.93 MB) Trillian 6.1.0.20 for Androidĭownload APK (10.93 MB) Trillian 6.1.0.18 for Androidĭownload APK (10.93 MB) Trillian 6.1.0.15 for Androidĭownload APK (10.85 MB) Trillian 6.1.0.9 for Androidĭownload APK (11.61 MB) Trillian 6.1.0.8 for Androidĭownload APK (11.61 MB) Trillian 6.0.0.3 for Androidĭownload APK (4.93 MB) Trillian 6.0.0.1 for Androidĭownload APK (4.94 MB) Trillian 4.0.0.18 for Androidĭownload APK (4.94 MB) Trillian 4.0.0.Table of Contents 1.SECURE: All communication with Trillian servers uses TLS to ensure third-parties can't read your chats.SIMPLE: Trillian places a strong emphasis on fast and reliable message delivery and a beautiful, easy-to-use interface.In addition, Trillian automatically silences push notifications on mobile devices if you're active on a desktop - no more dealing with a phone buzzing on your desk all day! ANYWHERE: Trillian's continuous client feature delivers your chats instantly between all of your connected devices.Trillian uses your existing data plan and/or WiFi. INSTANT MESSAGING: Your unique Trillian username can be used to send unlimited messages free of charge.Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
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