Same number for Fax and Voice
Posted 29 October 2015 - 07:35 PM
Posted 29 October 2015 - 07:59 PM
A pragmatic way to handle FAX from a users perspective is to blind transfer the call into the mailbox after hearing the FAX tone with 8xx (xx being the extension number).
The PBX listen for the FAX tone only in the auto attendant. For an automatic detection when calls are sent to a DID, it would have to listen to FAX tones also during the ringback phase, if there is one long enough to have a FAX tone and if the other side even sends a FAX tone while is not connected yet. Then if the call is connected and the remote party FAX is "talking" to the VoIP phone, it would still be possible to try to detect FAX tones, but with the spoken word it can lead to a lot of "false" alarms (we had that problem already in the mailbox). All in all unfortunately no simple answer and no simple solution.
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