CUC 7.1.2 Message delivery problem

Unanswered Question
Aug 24th, 2009
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We have a strange problem. Sometimes when a user try to leave a voice mail to another CUC user the caller receive a message from the CUC

Message cannot be delivery due to a unknow error.

But after some times the message is received by the called person.

Any clue?

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smalkeric Fri, 08/28/2009 - 09:16
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Occasionally, messages cannot be delivered to the recipient that the caller intended to reach. The system behavior in this case depends on the type of sender and the reason that the message could not be delivered.

In general, if Connection cannot deliver the message because of issues that are not likely to be resolved (for example, the caller was disconnected before addressing the message, or the recipient mailbox has been deleted), the message is sent to the Undeliverable Messages distribution list, and Connection sends a nondelivery receipt (NDR) to the sender.


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