KCall is the telephony application of Kontact. It supports computer telephony integration and at the same time integration into KDE's infrastructure. KCall does this by using KDE's addressbook, which in turn can be a server-based groupware addressbook. KCall uses the Decibel realtime communication framework for call management.
KDX is a powerful cross-platform BBS-style encrypted Internet communications system that provides messaging, news, file and folder transfer, voice chat (Internet Telephone), text chat, remote access, trackers, and more. It uses strong encryption to protect communications for security and privacy. It is useful for groups that need to collaborate on a project via the Internet. It is also very useful for remote administration of a computer. It uses a client/server architecture.
Kablink Teaming (formerly ICEcore) is a collaboration platform that includes everything an enterprise needs to handle team coordination. It provides teams with real-time communication using IM, conferencing, and application sharing, as well as document sharing and content management features that allow organizations to create project teams and share content amongst team participants. Users can create a wiki or blog for a particular project and have it available to anyone in the company. It also features searching, a Web form builder, version and author history, and more. It includes a workflow engine that allows custom business processes to be implemented.
Kallers is KDE system tray applet that displays the caller ID information sent by phone companies. It requires a caller ID capable modem. It logs every call internally using an XML format, displays call infomation non- intrusively using a popup window, and optionally plays a ring sound when a call is received. It can optionally ignore anonymous calls. A handy call browser lets you view the call information.
Kamailio (formerly OpenSER) is a high-performance SIP (RFC3261) server with a flexible architecture and many extensions. The server implements proxy, registrar, redirect, and location SIP/VoIP services. It has support for UDP, TCP, TLS, and SCTP transport layers, DNSsec, ENUM, AAA via database, RADIUS, DIAMETER, gateways to SMS and XMPP, least cost routing, load balancing, NAT traversal, and call processing language. Kamailio implements SIMPLE presence and instant messaging extensions, and includes an embedded XCAP server and MSRP relay. It can be also used as a routing SIP sever for WebRTC via WebSocket.
Kisdnmonitor is a KDE applet for isdnserver. It monitors the B-Channels of your ISDN cards, shows each incoming/outgoing call in a popup window, calls while the user was absent and logged out (the PC has still to be powered on), the duration of a call, the costs of outgoing calls, and a list of all calls with editing and find options. It allows printing the list in the row order and sorting order you set up. Totals are calculated (time, duration, and costs). It is linked to kaddressbook (edit amd insert). It shows email addresse(s) of the caller in the context menu (if available), and statistics to graphically view the data. You can configure the main window toolbars.