On 6/7/07, Douglas Garstang <[EMAIL PROTECTED]> wrote:
If I am using DUNDi for redundancy in a cluster, when Phone1 makes a call to
Phone2, both Asterisk A and B will be in the RTP stream:

Correct so far... although once the call is made, it's no longer a
DUNDi question, and is simply a signalling question.  (In other words,
DUNDi is used for Phone 1 to figure out how to connect to Phone 2, but
after it's figured that out, it's a normal SIP or IAX call between
Asterisk A and Asterisk B.)

Is there a way configure re-invites in this situation so that either
Asterisk A or B drops out of the call, and there's only one Asterisk box
between Phone1 and Phone2? Like this…

Yes, as long as the protocols are all the same.  If Phone1 is talking
SIP to Asterisk A and Asterisk A is talking IAX to Asterisk B and
Asterisk B is talking SIP to Phone 2, then it won't happen.  But
assuming everything is using the same transport, they'll happen.  In
fact, if re-invites are enabled on both Asterisk servers, and the two
phones can communicate directly, you can re-invite *both* Asterisk
servers out of the middle of the call.

-Jared
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