colin

i would say no as well, once the call has left your switch it's gone...

pbxn

I wouldn't think so. Maybe they had external remote vm notification set up on their mailbox, so when a message came in, it dialed their cell?

slagburn

The call forward external although dangerous is a valid option, if you can change the number that the cell phone FNAs to (I can change my BlackBerry to forward no answer to any number I want) then you can send it back onto your switch (a waste of a DID) to a number that points to voicemail... probably have to put whatever number the cell phone FNAs to on the switch as an extension DN of the users mailbox.

Overall bad idea for a variety of resource and security reasons.

Chas2002

Ah - the old 'It worked before' routine..

Ask the cell phone owner what mailbox he checked to retrieve messages. Then take a look at that mailbox and kind of reverse engineer it.

Chas2002

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Steamer

If you already have a DID access to your voicemail login number then you would FNA the cell to that number (Bell-Mobility calls it No-Answer Transfer). Then like slag says you would add the 10 digit phone number as an ext DN on the mailbox. You still use a trunk but not a DID number.

Another way to do this (even better in my opinion) is to use Personal Call Assistant (PCA). You can have the cell phone ring simultaneously with the desk phone. If it doesn't get answered on one or the other then call goes to your voicemail when FNA kicks in.
This does use an outgoing trunk while ringing rhe cell phone but drops it when answered at the desk or by voicemail.
Requires PCA license for each user that requires it but they are only about $40 each.

Steamer