I don't see why it does not work. Setting RDNIS and calling most GSM
mobile phones produces a forwarded call annoucement, so why would
the do it any different? We get RDNIS in a SIP field and use it to
keep the same voicemail for a desk phone and cell phone, also can
forward ILEC and most CLEC
Does anyone know the mechanism by which companies like YouMail (and MNO's
using their own voicemail system) are able to redirect ALL calls from a ALL
subscribers to *just one* voicemail DID, yet determine WHICH subscriber did
the redirection?
I had always assumed this was simply done using
