Need an advice. Task is to provide a call intrusion function. Barge function isn't appropriate, because we need that every user call to be released if a management call has come. Such a function provided by Alcatel PBXs as an option. Any suggestion will be appreciated.
use UCCX or UCCE in which you can set a supervisor and enable the monitoring feature to achieve this
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CUCM only provides barge, if that works for you, then you can use it.
If you want to monitor non-shared lines from your phone then UCCX/UCCX/3rd party is required.
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I think the feature you may be looking for is MLPP, it can play a tone into an existing call to tell the people in conversation there is a more important call to be handeled.
MLPP is based on a military concept to allow priority users to gain access to limited resources.
The only method of automatically overriding an existing call is MLPP, which is available in both CuCM and CME.
It is documented here:-
CME (for others)
If this is for one or two users it is probably more user friendly to put a second line appearance on the users phone set to allows ring. Then give the 'boss' special priority numbers to ring. You could even put these numbers in partitions that normal users can not ring.
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