Inside the Asterisk

Keyword: tcp

WANTED: Dead or Alive!

The Story of Asterisk and Keep-Alives The vast majority of VoIP communications is done via UDP datagrams.  It’s a no-overhead protocol which makes it fast and although it also makes it unreliable, the SIP and RTP protocols and our own ears and eyes can tolerate a certain amount of packet loss quite easily.   From a

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