Not sure. Is BBC Basic and this is aviable for other platforms. But I have newer try.Hmmm... Could it be ported to Linux? Or perhaps RiscOS would run well in a VM.
Visual voicemail I believe detects when you have voicemail, and somehow retrieves them from the voicemail server so you can listen without dialing.So, the benefit from a voicemail function against the provider voicemail is, you have the voice files directly on the pyra and dont need to call the provider-mailbox?
I would also like to suggest a do not disturb mode, with whitelist for certain numbers.