[Freeswitch-dev] FreeSwitch + ISDN + analog phone adapters - status

Hans Petter Selasky hselasky at c2i.net
Fri Jan 30 09:11:09 PST 2009

On Friday 30 January 2009, Michael Jerris wrote:
> Another useful advantage without the latency tradeoff is to read a
> full span or card every 1ms  (or whatever sane interval) and chop up
> the bytes in userland.  The latency argument dies if you are bridging
> to voip, so if you can handle bridging the tdm to tdm channels in
> kernel space, you could easily get away with 10ms reads to user space
> as well.
> Mike


Got your point.

In between:

I see more in Jan's argument. 48x30 bytes = 1440 bytes, which is an 
interesting size for full span E1.


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