Like I said, some third party VMs will integrate with the switch the same as a Partner VM, others won't. Without making use of the mode codes the third party VM won't have the functionality of a Partner VM or another that does.

My experience is that many third party VM manufacturers are seriously lacking in doing their homework. Most have no idea how their product is supposed to integrate with the many phone systems out there because they never took the time to actually test it. Consequently their documentation gives you very little information in that regard, usually all they say is to put the VM port extensions in a hunt group.


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