Hmmm,

IMHO this is a fundamental SIP architecture issue.

To meet my understanding of distribution, this would required a proxy function before the call "answer()" on the Asterisk. If , in an ideal world, this proxy function were to be in the path before answer(), the proxy would need added intelligence to examine the INVITE and deduce from it's content the need for IVR or VoiceMail. This is an Active Call Director functionality. IMHO, this well within the capabilities of several SIP proxy packages available today.

Once answered, the Asterisk will remain in the call path. If that is ok in your need for distribution, you can push the call onward via any Asterisk dialplan extension to be serviced by a whole farm of other Asterisks for specific chores.

..mike..




At 07:03 AM 4/25/2008, you wrote:
Does anybody know how to off-load an Asterisk Box so that to distribute its functions like IVR and VoiceMail or its PTSN gateway function into different servers? in this case , will the installation of Asterisk on each server differe and how these different servers will interact as a single logical -vs physical- server? thx alot
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