[Asterisk-Users] ${RDNIS} Variables Question

[Mark Spencer]

> RDNIS: Reverse Dialed Number Information Service
> Essentially Caller ID, maybe not as susceptable to being changed though
> as I think it is transmitted in PRI signalling not as FSK on the line.
> Essentially to modify it, the caller would have to be able to convince
> the telco to send something different.

Actually this is "Referring" DNIS and is the number (if applicable) which
forwarded the current call to you.

Mark