CallManager supports the iDivert key to send a caller directly to voicemail without waiting for the RNA timer.
There is documentation for the UC500 that indicates that certain phones support iDivert. But I cannot find any other doucmentation showing what versions of UC500/CME the feature is available in, or how to configure it.
We have a customer asking for this feature on a CME system. Is it available in any version?
Currently iDivert its just support for CUCM not for CME, you could try the workaround suggested avove, there is another workaround that you could try is using direct transfer to voice mail. This configuration can be done using the E.164 option you could find the configuration for this in the follow link:
Just to add a note to the great tip from David (+5 David)
iDivert is available in CUCM only, but a similar capability is available
in CME with DND if configured properly
Divert Incoming Calls
To forward any incoming call to the call forward destination for each line configured on the phone, for example forward to voice mail, press the DND key.
Note If the call-forward destination is not set, pressing the DND soft key disables the ringer.
Pressing the DND soft key during an incoming call forwards the call to the call-forward no answer destination if Call Forward No Answer is enabled. If Call Forward is not enabled, pressing the DND soft key disables audible ringing and visual alerting, but the call information is visible on the phone display.
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