Matthew Boehm wrote:
You need to understand that the Digium cards generate 1000 interupt
requests per second per card. So 4 Digium cards generate 4000 interupts
per second. Your system will start to buckle under the load if you had
enough of a computer to begin with.


    (Pardon my hardware ignorance) Why do the cards need 1000 interupts per
second? What is that doing?


Matthew

Matthew,

Timing. MeetMe, IAX trunking and all of the other components of Asterisk that need accurate timing need 1000hz timing, or 1000 "clicks" per second. The digium cards generate those for you.

At Astricon I asked why you need that accurate of a timing source, and Matt Frederickson from Digium said that you need very accurate timing when mixing audio streams (like in IAX trunking and MeetMe), to keep the audio in sync. It makes sense, I guess...

--
Kristian Kielhofner
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