Hi Guys (and girls),
I have been asked to look at moving a buildings private lift phone to VOIP. The lift support company seems to suggest that "it will only work via a normal phone line" however what seems to be unbeknownst to them is that the lifts phone is currently running behind a PABX with some kind of auto dial function on ISDN for at least 10 years.
Taking a basic stab, maybe just using a normal ATA that has an autodial feature would work ?
Totally open to advice on what should be done/used in this situation )?