asterisk - 1:16.2.1~dfsg-1+deb10u2 main

Asterisk is an Open Source PBX and telephony toolkit. It is, in a
sense, middleware between Internet and telephony channels on the bottom,
and Internet and telephony applications at the top.
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Asterisk can be used with Voice over IP (SIP, H.323, IAX and more) standards,
or the Public Switched Telephone Network (PSTN) through supported hardware.
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Supported hardware:
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* All Wildcard (tm) ISDN PRI cards from Digium (http://www.digium.com)
* HFC-S/HFC-4S-based ISDN BRI cards (Junghanns.NET, beroNet, Digium etc.)
* All TDM (FXO/FXS) cards from Digium
* Various clones of Digium cards such as those by OpenVox
* Xorcom Astribank USB telephony adapter (http://www.xorcom.com)
* Voicetronix OpenPCI, OpenLine and OpenSwitch cards
* CAPI-compatible ISDN cards (using the add-on package chan-capi)
* Full Duplex Sound Card (ALSA or OSS) supported by Linux
* Tormenta T1/E1 card (http://www.zapatatelephony.org)
* QuickNet Internet PhoneJack and LineJack (http://www.quicknet.net)
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This is the main package that includes the Asterisk daemon and most channel
drivers and applications.