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Shoretel Voicemail Boxes

Does anyone know what the option is within the COS or individual mailboxes themselves in order to stop the ability to dial in and then make a call out/externally?

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1 Solution
The ShoreTel system does not support any direct ability to dial into a mailbox and then dial an outside telephone number.  They deliberately do not include that feature due to its potential abuse for toll fraud.  What is supported are a couple possible ways the system could be abused:
1.  If the feature is turned on, a user can have the system call back someone that has left a voice mail message.  Thus, I could call into an unassigned mailbox, leave a voice mail, and then anyone that retrieves that message can press "5" (to reply) and one of the subchoices is to reply with a call back -- it will dial the number pulled from the caller-ID.
2.  If someone has hacked an unassigned user account, then incoming calls to that DID can be directed off site by using the call-forwarding feature and then putting the phone in the proper call handling mode.  However, I am not sure how someone could set that up just by dialing in since the forwarded to number is typed in through the Personal Call Manager or the Administrator.
CHI-LTDAuthor Commented:
According top some of the logs i have been shown it would appear that one of the DID numbers at site b that is assigned to a user primarily based at site a was hacked, or at least made calls from..
(now unsure where these DID/site-b numbers are in the system now).

They initially suggested a mailbox but don't believe it has been this hacked.
Also they have now had to barr international calls...
CHI-LTDAuthor Commented:
The hack was to do with tandem trunking being enabled...
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