wok annotate asterisk/description.txt @ rev 22013

updated tcpdump (4.4.0 -> 4.9.3)
author Hans-G?nter Theisgen
date Sat Oct 19 15:58:53 2019 +0100 (2019-10-19)
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hackdorte@20008 1 Asterisk is an Open Source PBX and telephony toolkit. It is, in a sense,
hackdorte@20008 2 middleware between Internet and telephony channels on the bottom, and
hackdorte@20008 3 Internet and telephony applications at the top.
hackdorte@20008 4
hackdorte@20008 5 Asterisk can be used with Voice over IP (SIP, H.323, IAX and more) standards,
hackdorte@20008 6 or the Public Switched Telephone Network (PSTN) through supported hardware.
hackdorte@20008 7