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Asterisk ISDN overview
ISDN channel alternatives for Asterisk
At the time of this writing (Fri 20 of Jan, 2006 (23:05 UTC)) the several options exist for ISDN channels. While they all have their special pages, this overview should make it easier to make your choice.
CON: requires patched kernel 2.6, but no udev support; different versions available, unclear which is best
CON: most passive cards (like HFC-S) do not have capi support, also several versions available
CON: requires bristuff
CON: no support for NT-Mode, discontinued
CON: still early stage: no echo cancellation or DTMF support, requires patched Asterisk to run as non-root
None of these options, allows the use of HOLD, RETRIEVE and such, as offered by standard ISDN phones via their context menu (as far as I can tell, please correct if wrong!).
Created by: tsr, Last modification: Fri 20 of Jan, 2006 (23:05 UTC)
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