[NeBlackCat]

For premium accounts with multiple providers registered, I'd like an option to have the caller ID sent with incoming calls to be the "index number" of the provider, not the actual calling number.

Sometimes it's more important to know which provider is being called, not who by.

In other words, say I have 4 PennyTel accounts registered, each with their own DID. When one of these is called, I'd like to see (assuming the proposed option is set) "1", "2", "3" or "4" on my phone display, not the calling number.

The reason for this is actually quite straightforward - to allow creating a provider account for each house member, and knowing who a call is for by the simple number shown on the DECT handsets. It's far cheaper than having a PBX and fully independently operating handsets!