Asterisk is a free software for computers of all kinds, which offers the functionality of a telephone system. It supports IP telephony (VoIP) with different network protocols and can be connected by hardware to connections such as POTS (analog telephone connection), ISDN basic access (BRI) or primary multiplex connection (PRI, E1 or T1). The ISDN functionality in Germany has almost lost its importance after 2018 with the switch to nationwide IP telephony (Voice-over-IP).
The Asterisk works on a number of different computer systems. In addition to personal computers with an x86 processor, Asterisk also runs on devices such as the Raspberry Pi and routers that support OpenWRT.
Without special hardware, the Asterisk system can only be connected and operated via a network with VoIP end devices and VoIP telephone providers.
For the connection to conventional telephone networks or from normal end devices such as telephones, fax machines etc., additional plug-in cards or external analog adapters for analog POTS or digital ISDN trunk lines or extensions are required - which is now obsolete, since most analog connections are on IP -Telephony over the DSL connection were changed.
In addition, Asterisk supports voice services, answering machines, telephone conferences, voice dialogs (IVR) via DTMF - in this context voice recognition is possible using additional programs - directory services and delay-free cryptography.
Would you like to use Asterisk in your company, have a problem with your existing Asterisk telephone system or need general advice? Then IT-LINUXMAKER is the right contact for you! With our many years of expertise in the areas of Voice over IP, Asterisk and network technology, we can offer you a reliable solution quickly and inexpensively.
Whether a one-man company, a large company or even a large call center. We know Asterisk down to the last detail and provide support for all projects in which open source telephony software is used.
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